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path: root/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
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Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
index 36a82b22953c..fcb8c41cc957 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
@@ -527,7 +527,7 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
rctx->method = ss->variant->alg_hash[algt->ss_algo_id];
nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE);
- if (nr_sgs <= 0 || nr_sgs > MAX_SG) {
+ if (!nr_sgs || nr_sgs > MAX_SG) {
dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs);
err = -EINVAL;
goto theend;