提交 3388bff5 编写于 作者: R Roman Borisov 提交者: Trond Myklebust

nfs: fix unchecked value

Return value of "decode_attr_bitmap()" was not checked;
Signed-off-by: NRoman Borisov <ext-roman.borisov@nokia.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
上级 55b6e774
...@@ -2687,7 +2687,10 @@ static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, ...@@ -2687,7 +2687,10 @@ static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen,
static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
{ {
if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { 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; bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
} else } else
bitmask[0] = bitmask[1] = 0; bitmask[0] = bitmask[1] = 0;
......
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