[PATCH 03/61] ceph: Prefer IS_ERR_OR_NULL over manual NULL check

[Philipp Hahn]

Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
check.

Change generated with coccinelle.

To: Ilya Dryomov <idryomov at gmail.com>
To: Alex Markuze <amarkuze at redhat.com>
To: Viacheslav Dubeyko <slava at dubeyko.com>
Cc: ceph-devel at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Philipp Hahn <phahn-oss at avm.de>
---
 fs/ceph/dir.c  | 2 +-
 fs/ceph/snap.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 86d7aa594ea99335af3e91a95c0a418fdc1b8a8a..934250748ae4fd4c148fd27bdf91175047c2877d 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -889,7 +889,7 @@ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
 {
 	struct dentry *result = ceph_lookup(dir, dentry, 0);
 
-	if (result && !IS_ERR(result)) {
+	if (!IS_ERR_OR_NULL(result)) {
 		/*
 		 * We created the item, then did a lookup, and found
 		 * it was already linked to another inode we already
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 52b4c2684f922bfed39550311e793bfe3622cd26..528ad581be160713f91416115659e2dc6f259576 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -902,7 +902,7 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc,
 bad:
 	err = -EIO;
 fail:
-	if (realm && !IS_ERR(realm))
+	if (!IS_ERR_OR_NULL(realm))
 		ceph_put_snap_realm(mdsc, realm);
 	if (first_realm)
 		ceph_put_snap_realm(mdsc, first_realm);

-- 
2.43.0