[PATCH] crypto: atmel - use list_first_entry_or_null to simplify find_dev

[Thorsten Blum]

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@xxxxxxxxx>
---
 drivers/crypto/atmel-sha.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 1f1341a16c42..002b62902553 100644
--- 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;