1 files changed, 20 insertions, 20 deletions

diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 13619d24f023..dd0ef34b5845 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -141,7 +141,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
         /* We do not like overly long tags! */
         if (hdr->taglen > CB_OP_TAGLEN_MAXSZ - 12) {
                 printk("NFSv4 CALLBACK %s: client sent tag of length %u\n",
-                                __FUNCTION__, hdr->taglen);
+                                __func__, hdr->taglen);
                 return htonl(NFS4ERR_RESOURCE);
         }
         p = read_buf(xdr, 12);
@@ -151,7 +151,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
         /* Check minor version is zero. */
         if (minor_version != 0) {
                 printk(KERN_WARNING "%s: NFSv4 server callback with illegal minor version %u!\n",
-                                __FUNCTION__, minor_version);
+                                __func__, minor_version);
                 return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
         }
         hdr->callback_ident = ntohl(*p++);
@@ -179,7 +179,7 @@ static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr
         args->addr = svc_addr(rqstp);
         status = decode_bitmap(xdr, args->bitmap);
 out:
-        dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+        dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
         return status;
 }
 
@@ -200,7 +200,7 @@ static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr,
         args->truncate = ntohl(*p);
         status = decode_fh(xdr, &args->fh);
 out:
-        dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+        dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
         return status;
 }
 
@@ -349,7 +349,7 @@ static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr,
         status = encode_attr_mtime(xdr, res->bitmap, &res->mtime);
         *savep = htonl((unsigned int)((char *)xdr->p - (char *)(savep+1)));
 out:
-        dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+        dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
         return status;
 }
 
@@ -363,7 +363,7 @@ static __be32 process_op(struct svc_rqst *rqstp,
         long maxlen;
         __be32 res;
 
-        dprintk("%s: start\n", __FUNCTION__);
+        dprintk("%s: start\n", __func__);
         status = decode_op_hdr(xdr_in, &op_nr);
         if (likely(status == 0)) {
                 switch (op_nr) {
@@ -392,7 +392,7 @@ static __be32 process_op(struct svc_rqst *rqstp,
                 status = res;
         if (op->encode_res != NULL && status == 0)
                 status = op->encode_res(rqstp, xdr_out, resp);
-        dprintk("%s: done, status = %d\n", __FUNCTION__, ntohl(status));
+        dprintk("%s: done, status = %d\n", __func__, ntohl(status));
         return status;
 }
 
@@ -401,37 +401,37 @@ static __be32 process_op(struct svc_rqst *rqstp,
  */
 static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp)
 {
-        struct cb_compound_hdr_arg hdr_arg;
-        struct cb_compound_hdr_res hdr_res;
+        struct cb_compound_hdr_arg hdr_arg = { 0 };
+        struct cb_compound_hdr_res hdr_res = { NULL };
         struct xdr_stream xdr_in, xdr_out;
         __be32 *p;
         __be32 status;
-        unsigned int nops = 1;
+        unsigned int nops = 0;
 
-        dprintk("%s: start\n", __FUNCTION__);
+        dprintk("%s: start\n", __func__);
 
         xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base);
 
         p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len);
         xdr_init_encode(&xdr_out, &rqstp->rq_res, p);
 
-        decode_compound_hdr_arg(&xdr_in, &hdr_arg);
+        status = decode_compound_hdr_arg(&xdr_in, &hdr_arg);
+        if (status == __constant_htonl(NFS4ERR_RESOURCE))
+                return rpc_garbage_args;
+
         hdr_res.taglen = hdr_arg.taglen;
         hdr_res.tag = hdr_arg.tag;
-        hdr_res.nops = NULL;
-        encode_compound_hdr_res(&xdr_out, &hdr_res);
+        if (encode_compound_hdr_res(&xdr_out, &hdr_res) != 0)
+                return rpc_system_err;
 
-        for (;;) {
+        while (status == 0 && nops != hdr_arg.nops) {
                 status = process_op(rqstp, &xdr_in, argp, &xdr_out, resp);
-                if (status != 0)
-                        break;
-                if (nops == hdr_arg.nops)
-                        break;
                 nops++;
         }
+
         *hdr_res.status = status;
         *hdr_res.nops = htonl(nops);
-        dprintk("%s: done, status = %u\n", __FUNCTION__, ntohl(status));
+        dprintk("%s: done, status = %u\n", __func__, ntohl(status));
         return rpc_success;
 }