The dma_map_sg() function returns zero on error and positive values on success. We want to return -ENOMEM on failure here and zero on success. Fixes: 2f47d5804311 ("crypto: chelsio - Move DMA un/mapping to chcr from lld cxgb4 driver") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index 4eed7171e2ae..38fe59b5c689 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -2414,7 +2414,7 @@ static inline int chcr_hash_dma_map(struct device *dev, error = dma_map_sg(dev, req->src, sg_nents(req->src), DMA_TO_DEVICE); if (!error) - return error; + return -ENOMEM; req_ctx->is_sg_map = 1; return 0; }