From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Date: Mon, 9 Feb 2015 11:10:41 +0100 The vunmap() function performs also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Acked-by: Eli Cohen <eli@xxxxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx4/alloc.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/alloc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c index a716c26..0c51c69 100644 --- a/drivers/net/ethernet/mellanox/mlx4/alloc.c +++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c @@ -662,7 +662,7 @@ void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf) buf->direct.buf, buf->direct.map); else { - if (BITS_PER_LONG == 64 && buf->direct.buf) + if (BITS_PER_LONG == 64) vunmap(buf->direct.buf); for (i = 0; i < buf->nbufs; ++i) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c index 56779c1..201ca6d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c @@ -121,7 +121,7 @@ void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf) dma_free_coherent(&dev->pdev->dev, buf->size, buf->direct.buf, buf->direct.map); else { - if (BITS_PER_LONG == 64 && buf->direct.buf) + if (BITS_PER_LONG == 64) vunmap(buf->direct.buf); for (i = 0; i < buf->nbufs; i++) -- 2.2.2 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html