[PATCH] crypto: arm/aes-ce: assign err return conditionally

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As the err value is not used unless there was an error it can be assigned
conditionally here. 

Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
---

Not sure if this is really relevant and worth changing, effectively it
is practically no change as gcc would move the err = PTR_ERR(simd); 
below unregister_simds: anyway (based on inspection of .lst/.s files)
- so it is more of an adjust C-level to object level for readability.

Patch was compile-tested with multi_v7_defconfig 
(implies CONFIG_CRYPTO_AES_ARM_CE=m) 

Patch is against 4.10-rc7 (localversion-next is next-20170208)

 arch/arm/crypto/aes-ce-glue.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c
index 883b84d..8f65030 100644
--- a/arch/arm/crypto/aes-ce-glue.c
+++ b/arch/arm/crypto/aes-ce-glue.c
@@ -437,9 +437,10 @@ static int __init aes_init(void)
 		drvname = aes_algs[i].base.cra_driver_name + 2;
 		basename = aes_algs[i].base.cra_driver_name;
 		simd = simd_skcipher_create_compat(algname, drvname, basename);
-		err = PTR_ERR(simd);
-		if (IS_ERR(simd))
+		if (IS_ERR(simd)) {
+			err = PTR_ERR(simd);
 			goto unregister_simds;
+		}
 
 		aes_simd_algs[i] = simd;
 	}
-- 
2.1.4




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