diff options
| author | Kinglong Mee <kinglongmee@gmail.com> | 2014-06-10 18:08:19 +0800 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-06-23 11:31:36 -0400 |
| commit | 3c7aa15d2073d81e56e8ba8771a4ab6f23be7ae2 (patch) | |
| tree | f76a11c503dd24636dbd36dfb9a58aa3d76ad54e /fs/nfsd/nfs4xdr.c | |
| parent | a497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee (diff) | |
NFSD: Using min/max/min_t/max_t for calculate
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 83baf2bfe9e..30913c83ccb 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3134,9 +3134,7 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp, len = maxcount; v = 0; - thislen = (void *)xdr->end - (void *)xdr->p; - if (len < thislen) - thislen = len; + thislen = min(len, ((void *)xdr->end - (void *)xdr->p)); p = xdr_reserve_space(xdr, (thislen+3)&~3); WARN_ON_ONCE(!p); resp->rqstp->rq_vec[v].iov_base = p; @@ -3203,10 +3201,8 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr, xdr_commit_encode(xdr); maxcount = svc_max_payload(resp->rqstp); - if (maxcount > xdr->buf->buflen - xdr->buf->len) - maxcount = xdr->buf->buflen - xdr->buf->len; - if (maxcount > read->rd_length) - maxcount = read->rd_length; + maxcount = min_t(unsigned long, maxcount, (xdr->buf->buflen - xdr->buf->len)); + maxcount = min_t(unsigned long, maxcount, read->rd_length); if (!read->rd_filp) { err = nfsd_get_tmp_read_open(resp->rqstp, read->rd_fhp, |