From mboxrd@z Thu Jan 1 00:00:00 1970 From: lkp@intel.com (kbuild test robot) Date: Sun, 4 Oct 2015 05:02:30 +0800 Subject: [PATCH] hwrng: fix simple_return.cocci warnings In-Reply-To: <1443904519-24012-3-git-send-email-daniel.thompson@linaro.org> References: <201510040505.eDq0KS9w%fengguang.wu@intel.com> Message-ID: <20151003210230.GA71026@lkp-hsx03> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org drivers/char/hw_random/stm32-rng.c:164:1-4: WARNING: end returns can be simpified Simplify a trivial if-return sequence. Possibly combine with a preceding function call. Generated by: scripts/coccinelle/misc/simple_return.cocci CC: Daniel Thompson Signed-off-by: Fengguang Wu --- stm32-rng.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) --- a/drivers/char/hw_random/stm32-rng.c +++ b/drivers/char/hw_random/stm32-rng.c @@ -161,11 +161,7 @@ static int stm32_rng_probe(struct platfo priv->rng.read = stm32_rng_read, priv->rng.priv = (unsigned long) dev; - err = hwrng_register(&priv->rng); - if (err) - return err; - - return 0; + return hwrng_register(&priv->rng); } static const struct of_device_id stm32_rng_match[] = {