[PATCH -next] crypto: essiv - Remove unnecessary NULL checks

[YueHaibing]

NULL check before kfree is not needed.
Generated-by: scripts/coccinelle/free/ifnullfree.cocci

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 crypto/essiv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/crypto/essiv.c b/crypto/essiv.c
index a8befc8..3d3f9d7 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -188,8 +188,7 @@ static void essiv_aead_done(struct crypto_async_request 
*areq, int err)
        struct aead_request *req = areq->data;
        struct essiv_aead_request_ctx *rctx = aead_request_ctx(req);
 
-       if (rctx->assoc)
-               kfree(rctx->assoc);
+       kfree(rctx->assoc);
        aead_request_complete(req, err);
 }
 
-- 
2.7.4