[PATCH 1/4] crypto: omap-sham: Remove useless check for non-null request
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2018-03-01 20:50:31
Also in:
linux-samsung-soc, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
ahash_request 'req' argument passed by the caller
omap_sham_handle_queue() cannot be NULL here because it is obtained from
non-NULL pointer via container_of().
This fixes smatch warning:
drivers/crypto/omap-sham.c:812 omap_sham_prepare_request() warn: variable dereferenced before check 'req' (see line 805)
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
drivers/crypto/omap-sham.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 86b89ace836f..7650b1b449bb 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c@@ -809,9 +809,6 @@ static int omap_sham_prepare_request(struct ahash_request *req, bool update) bool final = rctx->flags & BIT(FLAGS_FINUP); int xmit_len, hash_later; - if (!req) - return 0; - bs = get_block_size(rctx); if (update)
--
2.7.4