ceph, rbd: delete unnecessary checks before two function calls

The functions ceph_put_snap_context() and iput() test whether their
argument is NULL and then return immediately. Thus the test around the
call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
[idryomov@redhat.com: squashed rbd.c hunk, changelog]
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index f01645a27752..c1cc993225e3 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -365,8 +365,7 @@ static int build_snap_context(struct ceph_snap_realm *realm)
              realm->ino, realm, snapc, snapc->seq,
              (unsigned int) snapc->num_snaps);
 
-        if (realm->cached_context)
-                ceph_put_snap_context(realm->cached_context);
+        ceph_put_snap_context(realm->cached_context);
         realm->cached_context = snapc;
         return 0;
 
@@ -590,15 +589,13 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm)
                 if (!inode)
                         continue;
                 spin_unlock(&realm->inodes_with_caps_lock);
-                if (lastinode)
-                        iput(lastinode);
+                iput(lastinode);
                 lastinode = inode;
                 ceph_queue_cap_snap(ci);
                 spin_lock(&realm->inodes_with_caps_lock);
         }
         spin_unlock(&realm->inodes_with_caps_lock);
-        if (lastinode)
-                iput(lastinode);
+        iput(lastinode);
 
         list_for_each_entry(child, &realm->children, child_item) {
                 dout("queue_realm_cap_snaps %p %llx queue child %p %llx\n",