[PATCH] hwrng: fix simple_return.cocci warnings

From: kbuild test robot
Date: Sat Oct 03 2015 - 17:05:10 EST


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@xxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

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[] = {
--
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