diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2017-04-25 22:21:34 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2017-04-25 22:36:16 +0200 |
| commit | db44bac41bbfc0c0d9dd943092d8bded3c9db19b (patch) | |
| tree | 635a22d9be0a97d340594954d90a23657b39c09a /fs/nfsd/nfsxdr.c | |
| parent | nfsd: check for oversized NFSv2/v3 arguments (diff) | |
| download | linux-db44bac41bbfc0c0d9dd943092d8bded3c9db19b.tar.xz linux-db44bac41bbfc0c0d9dd943092d8bded3c9db19b.zip | |
nfsd4: minor NFSv2/v3 write decoding cleanup
Use a couple shortcuts that will simplify a following bugfix.
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/nfsd/nfsxdr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index 41b468a6a90f..59bd88a23a3d 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -280,6 +280,7 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_writeargs *args) { unsigned int len, hdr, dlen; + struct kvec *head = rqstp->rq_arg.head; int v; p = decode_fh(p, &args->fh); @@ -300,9 +301,8 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p, * Check to make sure that we got the right number of * bytes. */ - hdr = (void*)p - rqstp->rq_arg.head[0].iov_base; - dlen = rqstp->rq_arg.head[0].iov_len + rqstp->rq_arg.page_len - - hdr; + hdr = (void*)p - head->iov_base; + dlen = head->iov_len + rqstp->rq_arg.page_len - hdr; /* * Round the length of the data which was specified up to @@ -316,7 +316,7 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p, return 0; rqstp->rq_vec[0].iov_base = (void*)p; - rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr; + rqstp->rq_vec[0].iov_len = head->iov_len - hdr; v = 0; while (len > rqstp->rq_vec[v].iov_len) { len -= rqstp->rq_vec[v].iov_len; |