4.15-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit 7814f552ff826fefa5e1b24083c7a06a9378e9ef ]
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@oracle.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/crypto/chelsio/chcr_algo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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(stru 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; }