Re: [PATCH] nfs: fix unchecked value

From: Roman Borisov
Date: Tue Oct 19 2010 - 10:24:53 EST


On 10/13/2010 04:54 PM, Roman Borisov wrote:
Return value of "decode_attr_bitmap()" was not checked;

Signed-off-by: Roman Borisov<ext-roman.borisov@xxxxxxxxx>
---
fs/nfs/nfs4xdr.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 6ea5c93..9e9cb40 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2676,7 +2676,10 @@ 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;

Reviewed-by: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>

Hello,

could you please review the patch and send the comments if any

Thanks,
Roman Borisov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/