net: Mellanox: Delete unnecessary checks before the function call "vunmap"

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@users.sourceforge.net>
Acked-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
index a716c26..0c51c69 100644 (file)
--- 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 (file)
--- 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++)