8 files changed, 165 insertions, 106 deletions

diff --git a/net/9p/client.c b/net/9p/client.c
index 9e3b0e640da1..0505a03c374c 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -72,23 +72,22 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
 EXPORT_SYMBOL(p9_is_proto_dotu);
 
 /* Interpret mount option for protocol version */
-static int get_protocol_version(const substring_t *name)
+static int get_protocol_version(char *s)
 {
         int version = -EINVAL;
 
-        if (!strncmp("9p2000", name->from, name->to-name->from)) {
+        if (!strcmp(s, "9p2000")) {
                 version = p9_proto_legacy;
                 P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
-        } else if (!strncmp("9p2000.u", name->from, name->to-name->from)) {
+        } else if (!strcmp(s, "9p2000.u")) {
                 version = p9_proto_2000u;
                 P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n");
-        } else if (!strncmp("9p2000.L", name->from, name->to-name->from)) {
+        } else if (!strcmp(s, "9p2000.L")) {
                 version = p9_proto_2000L;
                 P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n");
-        } else {
-                P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ",
-                                                        name->from);
-        }
+        } else
+                printk(KERN_INFO "9p: Unknown protocol version %s.\n", s);
+
         return version;
 }
 
@@ -106,6 +105,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
         char *p;
         substring_t args[MAX_OPT_ARGS];
         int option;
+        char *s;
         int ret = 0;
 
         clnt->proto_version = p9_proto_2000u;
@@ -141,22 +141,41 @@ static int parse_opts(char *opts, struct p9_client *clnt)
                         clnt->msize = option;
                         break;
                 case Opt_trans:
-                        clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
-                        if(clnt->trans_mod == NULL) {
+                        s = match_strdup(&args[0]);
+                        if (!s) {
+                                ret = -ENOMEM;
                                 P9_DPRINTK(P9_DEBUG_ERROR,
-                                   "Could not find request transport: %s\n",
-                                   (char *) &args[0]);
+                                        "problem allocating copy of trans arg\n");
+                                goto free_and_return;
+                         }
+                        clnt->trans_mod = v9fs_get_trans_by_name(s);
+                        if (clnt->trans_mod == NULL) {
+                                printk(KERN_INFO
+                                        "9p: Could not find "
+                                        "request transport: %s\n", s);
                                 ret = -EINVAL;
+                                kfree(s);
                                 goto free_and_return;
                         }
+                        kfree(s);
                         break;
                 case Opt_legacy:
                         clnt->proto_version = p9_proto_legacy;
                         break;
                 case Opt_version:
-                        ret = get_protocol_version(&args[0]);
-                        if (ret == -EINVAL)
+                        s = match_strdup(&args[0]);
+                        if (!s) {
+                                ret = -ENOMEM;
+                                P9_DPRINTK(P9_DEBUG_ERROR,
+                                        "problem allocating copy of version arg\n");
                                 goto free_and_return;
+                        }
+                        ret = get_protocol_version(s);
+                        if (ret == -EINVAL) {
+                                kfree(s);
+                                goto free_and_return;
+                        }
+                        kfree(s);
                         clnt->proto_version = ret;
                         break;
                 default:
@@ -280,7 +299,8 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag)
          * buffer to read the data into */
         tag++;
 
-        BUG_ON(tag >= c->max_tag);
+        if(tag >= c->max_tag) 
+                return NULL;
 
         row = tag / P9_ROW_MAXTAG;
         col = tag % P9_ROW_MAXTAG;
@@ -749,7 +769,7 @@ static int p9_client_version(struct p9_client *c)
         err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version);
         if (err) {
                 P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
 
@@ -821,8 +841,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
         if (err)
                 goto destroy_fidpool;
 
-        if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
-                clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;
+        if (clnt->msize > clnt->trans_mod->maxsize)
+                clnt->msize = clnt->trans_mod->maxsize;
 
         err = p9_client_version(clnt);
         if (err)
@@ -911,7 +931,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto error;
         }
@@ -971,7 +991,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "R", &nwqids, &wqids);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto clunk_fid;
         }
@@ -1038,7 +1058,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1081,7 +1101,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", qid, &iounit);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1126,7 +1146,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1165,7 +1185,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1249,9 +1269,11 @@ int p9_client_clunk(struct p9_fid *fid)
         P9_DPRINTK(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid);
 
         p9_free_req(clnt, req);
-        p9_fid_destroy(fid);
-
 error:
+        /*
+         * Fid is not valid even after a failed clunk
+         */
+        p9_fid_destroy(fid);
         return err;
 }
 EXPORT_SYMBOL(p9_client_clunk);
@@ -1281,6 +1303,29 @@ error:
 }
 EXPORT_SYMBOL(p9_client_remove);
 
+int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags)
+{
+        int err = 0;
+        struct p9_req_t *req;
+        struct p9_client *clnt;
+
+        P9_DPRINTK(P9_DEBUG_9P, ">>> TUNLINKAT fid %d %s %d\n",
+                   dfid->fid, name, flags);
+
+        clnt = dfid->clnt;
+        req = p9_client_rpc(clnt, P9_TUNLINKAT, "dsd", dfid->fid, name, flags);
+        if (IS_ERR(req)) {
+                err = PTR_ERR(req);
+                goto error;
+        }
+        P9_DPRINTK(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name);
+
+        p9_free_req(clnt, req);
+error:
+        return err;
+}
+EXPORT_SYMBOL(p9_client_unlinkat);
+
 int
 p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
                                                                 u32 count)
@@ -1318,11 +1363,12 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
+        P9_DUMP_PKT(1, req->rc);
 
         if (!req->tc->pbuf_size) {
                 if (data) {
@@ -1386,7 +1432,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "d", &count);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1426,7 +1472,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "wS", &ignored, ret);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto error;
         }
@@ -1477,7 +1523,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "A", ret);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto error;
         }
@@ -1625,7 +1671,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
                 &sb->bsize, &sb->blocks, &sb->bfree, &sb->bavail,
                 &sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto error;
         }
@@ -1643,7 +1689,8 @@ error:
 }
 EXPORT_SYMBOL(p9_client_statfs);
 
-int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name)
+int p9_client_rename(struct p9_fid *fid,
+                     struct p9_fid *newdirfid, const char *name)
 {
         int err;
         struct p9_req_t *req;
@@ -1670,6 +1717,36 @@ error:
 }
 EXPORT_SYMBOL(p9_client_rename);
 
+int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name,
+                       struct p9_fid *newdirfid, const char *new_name)
+{
+        int err;
+        struct p9_req_t *req;
+        struct p9_client *clnt;
+
+        err = 0;
+        clnt = olddirfid->clnt;
+
+        P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAMEAT olddirfid %d old name %s"
+                   " newdirfid %d new name %s\n", olddirfid->fid, old_name,
+                   newdirfid->fid, new_name);
+
+        req = p9_client_rpc(clnt, P9_TRENAMEAT, "dsds", olddirfid->fid,
+                            old_name, newdirfid->fid, new_name);
+        if (IS_ERR(req)) {
+                err = PTR_ERR(req);
+                goto error;
+        }
+
+        P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n",
+                   newdirfid->fid, new_name);
+
+        p9_free_req(clnt, req);
+error:
+        return err;
+}
+EXPORT_SYMBOL(p9_client_renameat);
+
 /*
  * An xattrwalk without @attr_name gives the fid for the lisxattr namespace
  */
@@ -1701,7 +1778,7 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid,
         }
         err = p9pdu_readf(req->rc, clnt->proto_version, "q", attr_size);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 p9_free_req(clnt, req);
                 goto clunk_fid;
         }
@@ -1780,7 +1857,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset)
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto free_and_error;
         }
 
@@ -1817,7 +1894,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
         P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type,
@@ -1848,7 +1925,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
         P9_DPRINTK(P9_DEBUG_9P, "<<< RMKDIR qid %x.%llx.%x\n", qid->type,
@@ -1883,7 +1960,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "b", status);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
         P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
@@ -1916,7 +1993,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock)
                         &glock->start, &glock->length, &glock->proc_id,
                         &glock->client_id);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
         P9_DPRINTK(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld "
@@ -1944,7 +2021,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target)
 
         err = p9pdu_readf(req->rc, clnt->proto_version, "s", target);
         if (err) {
-                p9pdu_dump(1, req->rc);
+                P9_DUMP_PKT(1, req->rc);
                 goto error;
         }
         P9_DPRINTK(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target);
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 72c398275051..2664d1292291 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -80,14 +80,14 @@ EXPORT_SYMBOL(v9fs_unregister_trans);
  * @name: string identifying transport
  *
  */
-struct p9_trans_module *v9fs_get_trans_by_name(const substring_t *name)
+struct p9_trans_module *v9fs_get_trans_by_name(char *s)
 {
         struct p9_trans_module *t, *found = NULL;
 
         spin_lock(&v9fs_trans_lock);
 
         list_for_each_entry(t, &v9fs_trans_list, list)
-                if (strncmp(t->name, name->from, name->to-name->from) == 0 &&
+                if (strcmp(t->name, s) == 0 &&
                     try_module_get(t->owner)) {
                         found = t;
                         break;
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index a873277cb996..df58375ea6b3 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -44,30 +44,24 @@ p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
 void
 p9pdu_dump(int way, struct p9_fcall *pdu)
 {
-        int i, n;
-        u8 *data = pdu->sdata;
-        int datalen = pdu->size;
-        char buf[255];
-        int buflen = 255;
-
-        i = n = 0;
-        if (datalen > (buflen-16))
-                datalen = buflen-16;
-        while (i < datalen) {
-                n += scnprintf(buf + n, buflen - n, "%02x ", data[i]);
-                if (i%4 == 3)
-                        n += scnprintf(buf + n, buflen - n, " ");
-                if (i%32 == 31)
-                        n += scnprintf(buf + n, buflen - n, "\n");
-
-                i++;
+        int len = pdu->size;
+
+        if ((p9_debug_level & P9_DEBUG_VPKT) != P9_DEBUG_VPKT) {
+                if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT) {
+                        if (len > 32)
+                                len = 32;
+                } else {
+                        /* shouldn't happen */
+                        return;
+                }
         }
-        n += scnprintf(buf + n, buflen - n, "\n");
 
         if (way)
-                P9_DPRINTK(P9_DEBUG_PKT, "[[[(%d) %s\n", datalen, buf);
+                print_hex_dump_bytes("[9P] ", DUMP_PREFIX_OFFSET, pdu->sdata,
+                                                                        len);
         else
-                P9_DPRINTK(P9_DEBUG_PKT, "]]](%d) %s\n", datalen, buf);
+                print_hex_dump_bytes("]9P[ ", DUMP_PREFIX_OFFSET, pdu->sdata,
+                                                                        len);
 }
 #else
 void
@@ -610,7 +604,7 @@ int p9stat_read(char *buf, int len, struct p9_wstat *st, int proto_version)
         ret = p9pdu_readf(&fake_pdu, proto_version, "S", st);
         if (ret) {
                 P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
-                p9pdu_dump(1, &fake_pdu);
+                P9_DUMP_PKT(0, &fake_pdu);
         }
 
         return ret;
@@ -632,11 +626,7 @@ int p9pdu_finalize(struct p9_fcall *pdu)
         err = p9pdu_writef(pdu, 0, "d", size);
         pdu->size = size;
 
-#ifdef CONFIG_NET_9P_DEBUG
-        if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT)
-                p9pdu_dump(0, pdu);
-#endif
-
+        P9_DUMP_PKT(0, pdu);
         P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size,
                                                         pdu->id, pdu->tag);
 
@@ -669,7 +659,7 @@ int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
                         &dirent->d_off, &dirent->d_type, &nameptr);
         if (ret) {
                 P9_DPRINTK(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret);
-                p9pdu_dump(1, &fake_pdu);
+                P9_DUMP_PKT(1, &fake_pdu);
                 goto out;
         }
 
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 244e70742183..175b5135bdcf 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -367,7 +367,7 @@ req_retry_pinned:
                 in += inp;
         } else {
                 in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata,
-                                client->msize);
+                                req->rc->capacity);
         }
 
         err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
@@ -592,7 +592,7 @@ static struct p9_trans_module p9_virtio_trans = {
         .close = p9_virtio_close,
         .request = p9_virtio_request,
         .cancel = p9_virtio_cancel,
-        .maxsize = PAGE_SIZE*16,
+        .maxsize = PAGE_SIZE*VIRTQUEUE_NUM,
         .pref = P9_TRANS_PREF_PAYLOAD_SEP,
         .def = 0,
         .owner = THIS_MODULE,
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 7f9124914b13..f2b713847b45 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -1988,12 +1988,13 @@ static int __init iucv_init(void)
                 rc = -EPROTONOSUPPORT;
                 goto out;
         }
+        ctl_set_bit(0, 1);
         rc = iucv_query_maxconn();
         if (rc)
-                goto out;
+                goto out_ctl;
         rc = register_external_interrupt(0x4000, iucv_external_interrupt);
         if (rc)
-                goto out;
+                goto out_ctl;
         iucv_root = root_device_register("iucv");
         if (IS_ERR(iucv_root)) {
                 rc = PTR_ERR(iucv_root);
@@ -2055,6 +2056,8 @@ out_free:
         root_device_unregister(iucv_root);
 out_int:
         unregister_external_interrupt(0x4000, iucv_external_interrupt);
+out_ctl:
+        ctl_clear_bit(0, 1);
 out:
         return rc;
 }
diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c
index de079abd5bc8..f264032b8c56 100644
--- a/net/netfilter/xt_RATEEST.c
+++ b/net/netfilter/xt_RATEEST.c
@@ -60,11 +60,6 @@ struct xt_rateest *xt_rateest_lookup(const char *name)
 }
 EXPORT_SYMBOL_GPL(xt_rateest_lookup);
 
-static void xt_rateest_free_rcu(struct rcu_head *head)
-{
-        kfree(container_of(head, struct xt_rateest, rcu));
-}
-
 void xt_rateest_put(struct xt_rateest *est)
 {
         mutex_lock(&xt_rateest_mutex);
@@ -75,7 +70,7 @@ void xt_rateest_put(struct xt_rateest *est)
                  * gen_estimator est_timer() might access est->lock or bstats,
                  * wait a RCU grace period before freeing 'est'
                  */
-                call_rcu(&est->rcu, xt_rateest_free_rcu);
+                kfree_rcu(est, rcu);
         }
         mutex_unlock(&xt_rateest_mutex);
 }
@@ -188,7 +183,6 @@ static int __init xt_rateest_tg_init(void)
 static void __exit xt_rateest_tg_fini(void)
 {
         xt_unregister_target(&xt_rateest_tg_reg);
-        rcu_barrier(); /* Wait for completion of call_rcu()'s (xt_rateest_free_rcu) */
 }
 
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 7389b7da3a8d..c50818f0473b 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -97,8 +97,7 @@ static int
 rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
 {
         static uint32_t clntid;
-        struct nameidata nd;
-        struct path path;
+        struct path path, dir;
         char name[15];
         struct qstr q = {
                 .name = name,
@@ -113,7 +112,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
         path.mnt = rpc_get_mount();
         if (IS_ERR(path.mnt))
                 return PTR_ERR(path.mnt);
-        error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &nd);
+        error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &dir);
         if (error)
                 goto err;
 
@@ -121,7 +120,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
                 q.len = snprintf(name, sizeof(name), "clnt%x", (unsigned int)clntid++);
                 name[sizeof(name) - 1] = '\0';
                 q.hash = full_name_hash(q.name, q.len);
-                path.dentry = rpc_create_client_dir(nd.path.dentry, &q, clnt);
+                path.dentry = rpc_create_client_dir(dir.dentry, &q, clnt);
                 if (!IS_ERR(path.dentry))
                         break;
                 error = PTR_ERR(path.dentry);
@@ -132,11 +131,11 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
                         goto err_path_put;
                 }
         }
-        path_put(&nd.path);
+        path_put(&dir);
         clnt->cl_path = path;
         return 0;
 err_path_put:
-        path_put(&nd.path);
+        path_put(&dir);
 err:
         rpc_put_mount();
         return error;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 0722a25a3a33..ec68e1c05b85 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -808,8 +808,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         struct net *net = sock_net(sk);
         struct unix_sock *u = unix_sk(sk);
         struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+        char *sun_path = sunaddr->sun_path;
         struct dentry *dentry = NULL;
-        struct nameidata nd;
+        struct path path;
         int err;
         unsigned hash;
         struct unix_address *addr;
@@ -845,48 +846,44 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         addr->hash = hash ^ sk->sk_type;
         atomic_set(&addr->refcnt, 1);
 
-        if (sunaddr->sun_path[0]) {
+        if (sun_path[0]) {
                 unsigned int mode;
                 err = 0;
                 /*
                  * Get the parent directory, calculate the hash for last
                  * component.
                  */
-                err = kern_path_parent(sunaddr->sun_path, &nd);
-                if (err)
-                        goto out_mknod_parent;
-
-                dentry = lookup_create(&nd, 0);
+                dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
                 err = PTR_ERR(dentry);
                 if (IS_ERR(dentry))
-                        goto out_mknod_unlock;
+                        goto out_mknod_parent;
 
                 /*
                  * All right, let's create it.
                  */
                 mode = S_IFSOCK |
                        (SOCK_INODE(sock)->i_mode & ~current_umask());
-                err = mnt_want_write(nd.path.mnt);
+                err = mnt_want_write(path.mnt);
                 if (err)
                         goto out_mknod_dput;
-                err = security_path_mknod(&nd.path, dentry, mode, 0);
+                err = security_path_mknod(&path, dentry, mode, 0);
                 if (err)
                         goto out_mknod_drop_write;
-                err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0);
+                err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
 out_mknod_drop_write:
-                mnt_drop_write(nd.path.mnt);
+                mnt_drop_write(path.mnt);
                 if (err)
                         goto out_mknod_dput;
-                mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
-                dput(nd.path.dentry);
-                nd.path.dentry = dentry;
+                mutex_unlock(&path.dentry->d_inode->i_mutex);
+                dput(path.dentry);
+                path.dentry = dentry;
 
                 addr->hash = UNIX_HASH_SIZE;
         }
 
         spin_lock(&unix_table_lock);
 
-        if (!sunaddr->sun_path[0]) {
+        if (!sun_path[0]) {
                 err = -EADDRINUSE;
                 if (__unix_find_socket_byname(net, sunaddr, addr_len,
                                               sk->sk_type, hash)) {
@@ -897,8 +894,8 @@ out_mknod_drop_write:
                 list = &unix_socket_table[addr->hash];
         } else {
                 list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
-                u->dentry = nd.path.dentry;
-                u->mnt    = nd.path.mnt;
+                u->dentry = path.dentry;
+                u->mnt    = path.mnt;
         }
 
         err = 0;
@@ -915,9 +912,8 @@ out:
 
 out_mknod_dput:
         dput(dentry);
-out_mknod_unlock:
-        mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
-        path_put(&nd.path);
+        mutex_unlock(&path.dentry->d_inode->i_mutex);
+        path_put(&path);
 out_mknod_parent:
         if (err == -EEXIST)
                 err = -EADDRINUSE;