[PATCH] vmwgfx: remove useless set memory to zero use memset()

From: Wei Yongjun
Date: Mon Aug 27 2012 - 03:07:36 EST


From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

The memory return by kzalloc() or kmem_cache_zalloc() has already
be set to zero, so remove useless memset(0).

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 1 -
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 -
2 files changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4d9edea..3e47f75 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -437,7 +437,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
DRM_ERROR("Failed allocating a device private struct.\n");
return -ENOMEM;
}
- memset(dev_priv, 0, sizeof(*dev_priv));

pci_set_master(dev->pdev);


diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index c50724b..5474394 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -483,7 +483,6 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
}

/* only need to do this once */
- memset(cmd, 0, fifo_size);
cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/