Author: Alexander Aring <alex.aring@gmail.com> This patch fixs the following kbuild test robot warning: coccinelle warnings: (new ones prefixed by >>) >> net/mac802154/cfg.c:53:1-3: WARNING: PTR_ERR_OR_ZERO can be used Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann — net/mac802154/cfg.c | 5 +—- 1 file changed, 1 insertion(+), 4 deletions(-) diff –git a/net/mac802154/cfg.c b/net/mac802154/cfg.c index 7d31da5..5d9f68c 100644 — a/net/mac802154/cfg.c …