NFSv4: Minor cleanups for nfs4_handle_exception and nfs4_async_handle_error
 

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

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

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

Signed-off-by: Luis Henriques <luis.henriques@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


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