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path: root/drivers/crypto/s5p-sss.c
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Diffstat (limited to 'drivers/crypto/s5p-sss.c')
-rw-r--r--drivers/crypto/s5p-sss.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 9ef25230c199..ef90c58edb1f 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -2056,9 +2056,12 @@ static int s5p_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
struct s5p_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
struct s5p_aes_dev *dev = ctx->dev;
+ if (!req->nbytes)
+ return 0;
+
if (!IS_ALIGNED(req->nbytes, AES_BLOCK_SIZE) &&
((mode & FLAGS_AES_MODE_MASK) != FLAGS_AES_CTR)) {
- dev_err(dev->dev, "request size is not exact amount of AES blocks\n");
+ dev_dbg(dev->dev, "request size is not exact amount of AES blocks\n");
return -EINVAL;
}