[v5 PATCH 4/7] crypto: stm32 - Remove unused hdev->err field

[Herbert Xu]

The variable hdev->err is never read so it can be removed.

Also remove a spurious inclusion of linux/crypto.h.

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Tested-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---

 drivers/crypto/stm32/stm32-hash.c |    3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index e16f9aaec6bf..e35fee945371 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -7,7 +7,6 @@
  */
 
 #include <linux/clk.h>
-#include <linux/crypto.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
@@ -183,7 +182,6 @@ struct stm32_hash_dev {
 	struct ahash_request	*req;
 	struct crypto_engine	*engine;
 
-	int			err;
 	unsigned long		flags;
 
 	struct dma_chan		*dma_lch;
@@ -894,7 +892,6 @@ static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,
 		stm32_hash_write(hdev, HASH_STR, 0);
 		stm32_hash_write(hdev, HASH_DIN, 0);
 		stm32_hash_write(hdev, HASH_IMR, 0);
-		hdev->err = 0;
 	}
 
 	return 0;