NFSv4.2: Ensure we always reset the result->count in decode_read_plus()

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index c0b8fcd266c9858d0390a9fee3e5f0cda9f3d85d..1c21db640f4d933210bc30e58df47c89823b9862 100644 (file)
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -1087,6 +1087,7 @@ static int decode_read_plus(struct xdr_stream *xdr, struct nfs_pgio_res *res)
        if (unlikely(!p))
                return -EIO;
 
+       res->count = 0;
        eof = be32_to_cpup(p++);
        segments = be32_to_cpup(p++);
        if (segments == 0)