crypto: atmel - use list_first_entry_or_null to simplify find_dev

Use list_first_entry_or_null() to simplify atmel_sha_find_dev() and
remove the now-unused local variable 'struct atmel_sha_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/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 1f1341a16c42af1a6d62a3b59bcc310c12f409c4..002b629025534486e74d82e04d84e8b391fb7e47 100644 (file)
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -404,20 +404,13 @@ static void atmel_sha_fill_padding(struct atmel_sha_reqctx *ctx, int length)
 
 static struct atmel_sha_dev *atmel_sha_find_dev(struct atmel_sha_ctx *tctx)
 {
-       struct atmel_sha_dev *dd = NULL;
-       struct atmel_sha_dev *tmp;
+       struct atmel_sha_dev *dd;
 
        spin_lock_bh(&atmel_sha.lock);
-       if (!tctx->dd) {
-               list_for_each_entry(tmp, &atmel_sha.dev_list, list) {
-                       dd = tmp;
-                       break;
-               }
-               tctx->dd = dd;
-       } else {
-               dd = tctx->dd;
-       }
-
+       if (!tctx->dd)
+               tctx->dd = list_first_entry_or_null(&atmel_sha.dev_list,
+                                                   struct atmel_sha_dev, list);
+       dd = tctx->dd;
        spin_unlock_bh(&atmel_sha.lock);
 
        return dd;