ceph: adjust 36 checks for NULL pointers

The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written ...

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Yan, Zheng <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index f1c5691e8e2c..662ada467c32 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -611,7 +611,7 @@ void ceph_add_cap(struct inode *inode,
         }
 
         if (flags & CEPH_CAP_FLAG_AUTH) {
-                if (ci->i_auth_cap == NULL ||
+                if (!ci->i_auth_cap ||
                     ceph_seq_cmp(ci->i_auth_cap->mseq, mseq) < 0) {
                         ci->i_auth_cap = cap;
                         cap->mds_wanted = wanted;
@@ -728,7 +728,7 @@ static void __touch_cap(struct ceph_cap *cap)
         struct ceph_mds_session *s = cap->session;
 
         spin_lock(&s->s_cap_lock);
-        if (s->s_cap_iterator == NULL) {
+        if (!s->s_cap_iterator) {
                 dout("__touch_cap %p cap %p mds%d\n", &cap->ci->vfs_inode, cap,
                      s->s_mds);
                 list_move_tail(&cap->session_caps, &s->s_caps);