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NFSv4.1 fix decode_free_stateid 

The operation status is decoded in decode_op_hdr.

Stop the print_overflow message that is always hit without this patch:
nfs: decode_free_stateid: prematurely hit end of receive buffer. Remaining
buffer length is 0 words.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Andy Adamson 2013-09-10 12:56:29 -04:00 committed by Trond Myklebust
parent b1b3e13694
commit 9f79fb4825
1 changed files with 2 additions and 15 deletions
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17
fs/nfs/nfs4xdr.c
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@ -414,7 +414,7 @@ static int nfs4_stat_to_errno(int);
#define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1)
#define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \
XDR_QUADLEN(NFS4_STATEID_SIZE))
#define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1)
#define decode_free_stateid_maxsz (op_decode_hdr_maxsz)
#else /* CONFIG_NFS_V4_1 */
#define encode_sequence_maxsz 0
#define decode_sequence_maxsz 0
@ -5966,21 +5966,8 @@ out:
static int decode_free_stateid(struct xdr_stream *xdr,
struct nfs41_free_stateid_res *res)
{
__be32 *p;
int status;
status = decode_op_hdr(xdr, OP_FREE_STATEID);
if (status)
return status;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
res->status = be32_to_cpup(p++);
res->status = decode_op_hdr(xdr, OP_FREE_STATEID);
return res->status;
out_overflow:
print_overflow_msg(__func__, xdr);
return -EIO;
}
#endif /* CONFIG_NFS_V4_1 */