From 3388bff5cfe91589a912cdc7f00d3aae3aa18adc Mon Sep 17 00:00:00 2001 From: Roman Borisov Date: Wed, 13 Oct 2010 16:54:51 +0400 Subject: [PATCH] nfs: fix unchecked value Return value of "decode_attr_bitmap()" was not checked; Signed-off-by: Roman Borisov Signed-off-by: Trond Myklebust --- fs/nfs/nfs4xdr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 7131c76..bd2101d 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2687,7 +2687,10 @@ out_overflow: static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) { if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { - decode_attr_bitmap(xdr, bitmask); + int ret; + ret = decode_attr_bitmap(xdr, bitmask); + if (unlikely(ret < 0)) + return ret; bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; } else bitmask[0] = bitmask[1] = 0; -- 2.7.4