ext4: Remove an unnecessary check for NULL before iput()

The iput() function tests whether its argument is NULL and then
returns 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>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index f1c25f83fc7d..8d1e60214ef0 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2712,8 +2712,7 @@ int ext4_mb_release(struct super_block *sb)
         }
         kfree(sbi->s_mb_offsets);
         kfree(sbi->s_mb_maxs);
-        if (sbi->s_buddy_cache)
-                iput(sbi->s_buddy_cache);
+        iput(sbi->s_buddy_cache);
         if (sbi->s_mb_stats) {
                 ext4_msg(sb, KERN_INFO,
                        "mballoc: %u blocks %u reqs (%u success)",