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authorOtavio Salvador <otavio@ossystems.com.br>2019-07-15 11:15:02 -0300
committerGitHub <noreply@github.com>2019-07-15 11:15:02 -0300
commit6b774eec1f9d3064e9b33634dfa99d5666d0a73a (patch)
tree64fa879c312d6a52f90e6dbf3f7be2d66de3ddd4 /drivers/crypto/sunxi-ss/sun4i-ss-hash.c
parent774f42075a4800fe4106dffca804e3207bc3c2e7 (diff)
parent286d8c46ed06d5fc1b8c212356a11a19b2c94bc4 (diff)
Merge pull request #50 from MaxKrummenacher/4.14-2.0.x-imx
4.14 2.0.x imx
Diffstat (limited to 'drivers/crypto/sunxi-ss/sun4i-ss-hash.c')
-rw-r--r--drivers/crypto/sunxi-ss/sun4i-ss-hash.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
index a4b5ff2b72f8..f6936bb3b7be 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
@@ -240,7 +240,10 @@ static int sun4i_hash(struct ahash_request *areq)
}
} else {
/* Since we have the flag final, we can go up to modulo 4 */
- end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
+ if (areq->nbytes < 4)
+ end = 0;
+ else
+ end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
}
/* TODO if SGlen % 4 and !op->len then DMA */