[PATCH 1/4] NFSv4: Minor cleanups for nfs4_handle_exception and nfs4_async_handle_error

[Luis Henriques]

From: Trond Myklebust <Trond.Myklebust at netapp.com>

BugLink: https://bugs.launchpad.net/bugs/974664

Signed-off-by: Trond Myklebust <Trond.Myklebust at netapp.com>
(cherry picked from commit 14977489ffdb80d4caf5a184ba41b23b02fbacd9)

Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 fs/nfs/nfs4proc.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d945700..979ccc3 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -265,7 +265,7 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
 		case 0:
 			return 0;
 		case -NFS4ERR_OPENMODE:
-			if (nfs_have_delegation(inode, FMODE_READ)) {
+			if (inode && nfs_have_delegation(inode, FMODE_READ)) {
 				nfs_inode_return_delegation(inode);
 				exception->retry = 1;
 				return 0;
@@ -277,10 +277,9 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
 		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
-			if (state != NULL)
-				nfs_remove_bad_delegation(state->inode);
 			if (state == NULL)
 				break;
+			nfs_remove_bad_delegation(state->inode);
 			nfs4_schedule_stateid_recovery(server, state);
 			goto wait_on_recovery;
 		case -NFS4ERR_EXPIRED:
@@ -3730,8 +3729,9 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
 		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
-			if (state != NULL)
-				nfs_remove_bad_delegation(state->inode);
+			if (state == NULL)
+				break;
+			nfs_remove_bad_delegation(state->inode);
 		case -NFS4ERR_OPENMODE:
 			if (state == NULL)
 				break;
-- 
1.7.9.5