[kbuild-all] [PATCH] scripts/dtc: fix returnvar.cocci warnings

From: kernel test robot <lkp(a)intel.com&gt; drivers/md/bcache/debug.c:248:5-8: Unneeded variable: "ret". Return "0" on line 251 Removes unneeded variable used to store return value. Generated by: scripts/coccinelle/misc/returnvar.cocci Fixes: 8214bf079208 ("scripts/dtc: Export YYLOC global declaration") Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://android.googlesource.com/kernel/goldfish android-3.18 head: dd54b61f1458c03f68fc019b4874d98f2f0ae3a5 commit: 8214bf079208b146e63cd0a3ce0ed335a87ce7b3 [396/1051] scripts/dtc: Export YYLOC global declaration :::::: branch date: 5 weeks ago :::::: commit date: 3 months ago debug.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -245,8 +245,6 @@ void bch_debug_exit(void) int __init bch_debug_init(struct kobject *kobj) { - int ret = 0; - debug = debugfs_create_dir("bcache", NULL); - return ret; + return 0; }