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-rw-r--r--net/9p/client.c59
1 files changed, 34 insertions, 25 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 67717f69412e..4b529454616d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -189,6 +189,9 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
189 printk(KERN_ERR "Couldn't grow tag array\n"); 189 printk(KERN_ERR "Couldn't grow tag array\n");
190 kfree(req->tc); 190 kfree(req->tc);
191 kfree(req->rc); 191 kfree(req->rc);
192 kfree(req->wq);
193 req->tc = req->rc = NULL;
194 req->wq = NULL;
192 return ERR_PTR(-ENOMEM); 195 return ERR_PTR(-ENOMEM);
193 } 196 }
194 req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall); 197 req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
@@ -311,12 +314,6 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
311 r->status = REQ_STATUS_IDLE; 314 r->status = REQ_STATUS_IDLE;
312 if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool)) 315 if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool))
313 p9_idpool_put(tag, c->tagpool); 316 p9_idpool_put(tag, c->tagpool);
314
315 /* if this was a flush request we have to free response fcall */
316 if (r->rc->id == P9_RFLUSH) {
317 kfree(r->tc);
318 kfree(r->rc);
319 }
320} 317}
321 318
322/** 319/**
@@ -611,19 +608,21 @@ reterr:
611 608
612static struct p9_fid *p9_fid_create(struct p9_client *clnt) 609static struct p9_fid *p9_fid_create(struct p9_client *clnt)
613{ 610{
614 int err; 611 int ret;
615 struct p9_fid *fid; 612 struct p9_fid *fid;
613 unsigned long flags;
616 614
617 P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt); 615 P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt);
618 fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL); 616 fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
619 if (!fid) 617 if (!fid)
620 return ERR_PTR(-ENOMEM); 618 return ERR_PTR(-ENOMEM);
621 619
622 fid->fid = p9_idpool_get(clnt->fidpool); 620 ret = p9_idpool_get(clnt->fidpool);
623 if (fid->fid < 0) { 621 if (fid->fid < 0) {
624 err = -ENOSPC; 622 ret = -ENOSPC;
625 goto error; 623 goto error;
626 } 624 }
625 fid->fid = ret;
627 626
628 memset(&fid->qid, 0, sizeof(struct p9_qid)); 627 memset(&fid->qid, 0, sizeof(struct p9_qid));
629 fid->mode = -1; 628 fid->mode = -1;
@@ -632,27 +631,28 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
632 fid->clnt = clnt; 631 fid->clnt = clnt;
633 fid->aux = NULL; 632 fid->aux = NULL;
634 633
635 spin_lock(&clnt->lock); 634 spin_lock_irqsave(&clnt->lock, flags);
636 list_add(&fid->flist, &clnt->fidlist); 635 list_add(&fid->flist, &clnt->fidlist);
637 spin_unlock(&clnt->lock); 636 spin_unlock_irqrestore(&clnt->lock, flags);
638 637
639 return fid; 638 return fid;
640 639
641error: 640error:
642 kfree(fid); 641 kfree(fid);
643 return ERR_PTR(err); 642 return ERR_PTR(ret);
644} 643}
645 644
646static void p9_fid_destroy(struct p9_fid *fid) 645static void p9_fid_destroy(struct p9_fid *fid)
647{ 646{
648 struct p9_client *clnt; 647 struct p9_client *clnt;
648 unsigned long flags;
649 649
650 P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid); 650 P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid);
651 clnt = fid->clnt; 651 clnt = fid->clnt;
652 p9_idpool_put(fid->fid, clnt->fidpool); 652 p9_idpool_put(fid->fid, clnt->fidpool);
653 spin_lock(&clnt->lock); 653 spin_lock_irqsave(&clnt->lock, flags);
654 list_del(&fid->flist); 654 list_del(&fid->flist);
655 spin_unlock(&clnt->lock); 655 spin_unlock_irqrestore(&clnt->lock, flags);
656 kfree(fid); 656 kfree(fid);
657} 657}
658 658
@@ -818,7 +818,9 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
818 } 818 }
819 819
820 P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n", 820 P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n",
821 qid.type, qid.path, qid.version); 821 qid.type,
822 (unsigned long long)qid.path,
823 qid.version);
822 824
823 memmove(&fid->qid, &qid, sizeof(struct p9_qid)); 825 memmove(&fid->qid, &qid, sizeof(struct p9_qid));
824 826
@@ -865,7 +867,9 @@ p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
865 } 867 }
866 868
867 P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n", 869 P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n",
868 qid.type, qid.path, qid.version); 870 qid.type,
871 (unsigned long long)qid.path,
872 qid.version);
869 873
870 memmove(&afid->qid, &qid, sizeof(struct p9_qid)); 874 memmove(&afid->qid, &qid, sizeof(struct p9_qid));
871 p9_free_req(clnt, req); 875 p9_free_req(clnt, req);
@@ -930,7 +934,8 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
930 934
931 for (count = 0; count < nwqids; count++) 935 for (count = 0; count < nwqids; count++)
932 P9_DPRINTK(P9_DEBUG_9P, "<<< [%d] %x.%llx.%x\n", 936 P9_DPRINTK(P9_DEBUG_9P, "<<< [%d] %x.%llx.%x\n",
933 count, wqids[count].type, wqids[count].path, 937 count, wqids[count].type,
938 (unsigned long long)wqids[count].path,
934 wqids[count].version); 939 wqids[count].version);
935 940
936 if (nwname) 941 if (nwname)
@@ -980,7 +985,9 @@ int p9_client_open(struct p9_fid *fid, int mode)
980 } 985 }
981 986
982 P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n", 987 P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n",
983 qid.type, qid.path, qid.version, iounit); 988 qid.type,
989 (unsigned long long)qid.path,
990 qid.version, iounit);
984 991
985 fid->mode = mode; 992 fid->mode = mode;
986 fid->iounit = iounit; 993 fid->iounit = iounit;
@@ -1023,7 +1030,9 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
1023 } 1030 }
1024 1031
1025 P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n", 1032 P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n",
1026 qid.type, qid.path, qid.version, iounit); 1033 qid.type,
1034 (unsigned long long)qid.path,
1035 qid.version, iounit);
1027 1036
1028 fid->mode = mode; 1037 fid->mode = mode;
1029 fid->iounit = iounit; 1038 fid->iounit = iounit;
@@ -1230,9 +1239,9 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
1230 "<<< name=%s uid=%s gid=%s muid=%s extension=(%s)\n" 1239 "<<< name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
1231 "<<< uid=%d gid=%d n_muid=%d\n", 1240 "<<< uid=%d gid=%d n_muid=%d\n",
1232 ret->size, ret->type, ret->dev, ret->qid.type, 1241 ret->size, ret->type, ret->dev, ret->qid.type,
1233 ret->qid.path, ret->qid.version, ret->mode, 1242 (unsigned long long)ret->qid.path, ret->qid.version, ret->mode,
1234 ret->atime, ret->mtime, ret->length, ret->name, 1243 ret->atime, ret->mtime, (unsigned long long)ret->length,
1235 ret->uid, ret->gid, ret->muid, ret->extension, 1244 ret->name, ret->uid, ret->gid, ret->muid, ret->extension,
1236 ret->n_uid, ret->n_gid, ret->n_muid); 1245 ret->n_uid, ret->n_gid, ret->n_muid);
1237 1246
1238free_and_error: 1247free_and_error:
@@ -1255,9 +1264,9 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
1255 " name=%s uid=%s gid=%s muid=%s extension=(%s)\n" 1264 " name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
1256 " uid=%d gid=%d n_muid=%d\n", 1265 " uid=%d gid=%d n_muid=%d\n",
1257 wst->size, wst->type, wst->dev, wst->qid.type, 1266 wst->size, wst->type, wst->dev, wst->qid.type,
1258 wst->qid.path, wst->qid.version, wst->mode, 1267 (unsigned long long)wst->qid.path, wst->qid.version, wst->mode,
1259 wst->atime, wst->mtime, wst->length, wst->name, 1268 wst->atime, wst->mtime, (unsigned long long)wst->length,
1260 wst->uid, wst->gid, wst->muid, wst->extension, 1269 wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
1261 wst->n_uid, wst->n_gid, wst->n_muid); 1270 wst->n_uid, wst->n_gid, wst->n_muid);
1262 err = 0; 1271 err = 0;
1263 clnt = fid->clnt; 1272 clnt = fid->clnt;