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-rw-r--r--drivers/crypto/sunxi-ss/sun4i-ss-hash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
index e53c3127b743..bc3cbde07219 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
@@ -250,7 +250,7 @@ static int sun4i_hash(struct ahash_request *areq)
i = 0;
in_sg = sg_next(in_sg);
}
- if (i == 1 && !op->len)
+ if (i == 1 && !op->len && areq->nbytes)
dev_dbg(ss->dev, "We can DMA\n");
i = 0;