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Date: Sun, 4 Oct 2015 05:02:30 +0800
From: kbuild test robot <lkp@intel.com>
To: Daniel Thompson <daniel.thompson@linaro.org>
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Subject: [PATCH] hwrng: fix simple_return.cocci warnings
Message-ID: <20151003210230.GA71026@lkp-hsx03>
References: <201510040505.eDq0KS9w%fengguang.wu@intel.com>
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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 <daniel.thompson@linaro.org>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

 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[] = {