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>

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 a716c26e0d99..0c51c69f802f 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 56779c1c7811..201ca6d76ce5 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++)