crypto: stm32 - use list_first_entry_or_null to simplify hash_find_dev

Use list_first_entry_or_null() to simplify stm32_hash_find_dev() and
remove the now-unused local variable 'struct stm32_hash_dev *tmp'.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index d60147a7594e3bfab3009e791ce0f4c386ec1198..dada5951082c0a0446c2a0aaca27a8b542739532 100644 (file)
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -792,19 +792,13 @@ static int stm32_hash_dma_send(struct stm32_hash_dev *hdev)
 
 static struct stm32_hash_dev *stm32_hash_find_dev(struct stm32_hash_ctx *ctx)
 {
-       struct stm32_hash_dev *hdev = NULL, *tmp;
+       struct stm32_hash_dev *hdev;
 
        spin_lock_bh(&stm32_hash.lock);
-       if (!ctx->hdev) {
-               list_for_each_entry(tmp, &stm32_hash.dev_list, list) {
-                       hdev = tmp;
-                       break;
-               }
-               ctx->hdev = hdev;
-       } else {
-               hdev = ctx->hdev;
-       }
-
+       if (!ctx->hdev)
+               ctx->hdev = list_first_entry_or_null(&stm32_hash.dev_list,
+                                                    struct stm32_hash_dev, list);
+       hdev = ctx->hdev;
        spin_unlock_bh(&stm32_hash.lock);
 
        return hdev;