crypto: chelsio - Fix an error code in chcr_hash_dma_map()

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: 2f47d58043 ("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>
This commit is contained in:
Dan Carpenter 2017-11-10 00:25:43 +03:00 committed by Herbert Xu
parent d7fc6cfdf1
commit 7814f552ff

View file

@ -2410,7 +2410,7 @@ 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;
}