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authorChuck Lever <chuck.lever@oracle.com>2012-05-21 22:46:16 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-22 16:45:48 -0400
commitacdeb69d9c5934a678a732b4e24770326bf9471e (patch)
tree818b6b385ecddc5bf2c7da2641ec55704b940b3b /fs/nfs/nfs4xdr.c
parent4bf590e08f6db3395c181618a4c14f1c39b7c4af (diff)
NFS: EXCHANGE_ID should save the server major and minor ID
Save the server major and minor ID results from EXCHANGE_ID, as they are needed for detecting server trunking. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 12b99825a1c..5ad2b2c2aec 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -5144,24 +5144,27 @@ static int decode_exchange_id(struct xdr_stream *xdr,
if (dummy != SP4_NONE)
return -EIO;
- /* Throw away minor_id */
+ /* server_owner4.so_minor_id */
p = xdr_inline_decode(xdr, 8);
if (unlikely(!p))
goto out_overflow;
+ p = xdr_decode_hyper(p, &res->server_owner->minor_id);
- /* Throw away Major id */
+ /* server_owner4.so_major_id */
status = decode_opaque_inline(xdr, &dummy, &dummy_str);
if (unlikely(status))
return status;
+ if (unlikely(dummy > NFS4_OPAQUE_LIMIT))
+ return -EIO;
+ memcpy(res->server_owner->major_id, dummy_str, dummy);
+ res->server_owner->major_id_sz = dummy;
- /* Save server_scope */
+ /* server_scope4 */
status = decode_opaque_inline(xdr, &dummy, &dummy_str);
if (unlikely(status))
return status;
-
if (unlikely(dummy > NFS4_OPAQUE_LIMIT))
return -EIO;
-
memcpy(res->server_scope->server_scope, dummy_str, dummy);
res->server_scope->server_scope_sz = dummy;