Author: Fengguang Wu <fengguang.wu@intel.com> drivers/rtc/rtc-isl12057.c:278:1-3: WARNING: PTR_RET can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(…)) + PTR_ERR Generated by: coccinelle/api/ptr_ret.cocci CC: Arnaud Ebalard CC: Jason Cooper Signed-off-by: Fengguang Wu Signed-off-by: Jason Cooper — drivers/rtc/rtc-isl12057.c | 5 +—- 1 file changed, 1 insertion(+), 4 deletions(-) diff –git a/drivers/rtc/rtc-isl12057.c b/drivers/rtc/rtc-isl12057.c index 7854a65..835b425 100644 — a/drivers/rtc/rtc-isl12057.c +++ …