[PATCH 3/4] crypto: s5p-sss: Remove useless check for non-null request
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2018-03-01 20:50:37
Also in:
linux-samsung-soc, lkml
Subsystem:
crypto api, samsung s5p security subsystem (sss) driver, the rest · Maintainers:
Herbert Xu, "David S. Miller", Krzysztof Kozlowski, Vladimir Zapolskiy, Linus Torvalds
ahash_request 'req' argument passed by the caller
s5p_hash_handle_queue() cannot be NULL here because it is obtained from
non-NULL pointer via container_of().
This fixes smatch warning:
drivers/crypto/s5p-sss.c:1213 s5p_hash_prepare_request() warn: variable dereferenced before check 'req' (see line 1208)
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
drivers/crypto/s5p-sss.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 5d64c08b7f47..d7c8163e5068 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c@@ -1210,9 +1210,6 @@ static int s5p_hash_prepare_request(struct ahash_request *req, bool update) int xmit_len, hash_later, nbytes; int ret; - if (!req) - return 0; - if (update) nbytes = req->nbytes; else
--
2.7.4