From: Shaokun Zhang <zhangshaokun@hisilicon.com>
Date: Thu, 20 May 2021 07:56:11 +0000 (+0800)
Subject: hwrng: core - remove redundant initialization of variable err
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cb028f1662a9910d4b8e3fbe9eb38f7a545540a3;p=linux.git

hwrng: core - remove redundant initialization of variable err

'err' will be assigned later and cleanup the redundant initialization.

Cc: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index adb3c2bd7783e..322e3d0ea98ca 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -323,7 +323,7 @@ static ssize_t hwrng_attr_current_store(struct device *dev,
 					struct device_attribute *attr,
 					const char *buf, size_t len)
 {
-	int err = -ENODEV;
+	int err;
 	struct hwrng *rng, *old_rng, *new_rng;
 
 	err = mutex_lock_interruptible(&rng_mutex);