From: Andrei Botila <andrei.botila@xxxxxxx>
Standardize the way input lengths equal to 0 are handled in all skcipher
algorithms. All the algorithms return 0 for input lengths equal to zero.
Cc: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
Cc: Lars Persson <lars.persson@xxxxxxxx>
Signed-off-by: Andrei Botila <andrei.botila@xxxxxxx>
---
drivers/crypto/axis/artpec6_crypto.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index 1a46eeddf082..243880c97629 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -1090,6 +1090,9 @@ static int artpec6_crypto_encrypt(struct skcipher_request *req)
void (*complete)(struct crypto_async_request *req);
int ret;
+ if (!req->cryptlen)
+ return 0;
+
req_ctx = skcipher_request_ctx(req);
switch (ctx->crypto_type) {
@@ -1135,6 +1138,9 @@ static int artpec6_crypto_decrypt(struct skcipher_request *req)
struct artpec6_crypto_request_context *req_ctx = NULL;
void (*complete)(struct crypto_async_request *req);
+ if (!req->cryptlen)
+ return 0;
+
req_ctx = skcipher_request_ctx(req);
switch (ctx->crypto_type) {
--
2.17.1
