fs/qnx6: delete unnecessary checks before brelse()

brelse() tests whether its argument is NULL and then returns immediately. 
Thus remove the tests which are not needed around the shown calls.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Minghao Chi <[email protected]>
Reported-by: Zeal Robot <[email protected]>
Cc: CGEL ZTE <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Minghao Chi <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Minghao Chi

fs/qnx6/inode.c

@@ -470,10 +470,8 @@ static int qnx6_fill_super(struct super_block *s, void *data, int silent)
 out1:
 	iput(sbi->inodes);
 out:
-	if (bh1)
-		brelse(bh1);
-	if (bh2)
-		brelse(bh2);
+	brelse(bh1);
+	brelse(bh2);
 outnobh:
 	kfree(qs);
 	s->s_fs_info = NULL;