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path: root/fs/nfs/nfs4xdr.c
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Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 125212588115..dbfe48ac3529 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -5570,6 +5570,8 @@ static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map)
unsigned int i;
p = xdr_inline_decode(xdr, 4);
+ if (!p)
+ return -EIO;
bitmap_words = be32_to_cpup(p++);
if (bitmap_words > NFS4_OP_MAP_NUM_WORDS)
return -EIO;