Re: [PATCH 1/1] DRM-vmwgfx: Deletion of an unnecessary check before the function call "vfree"

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On November 19, 2014 5:57:13 PM SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 19 Nov 2014 17:50:19 +0100

The vfree() function performes 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>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 14b2f50..f9a67b8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -889,8 +889,7 @@ static int vmw_driver_unload(struct drm_device *dev)

 	if (dev_priv->ctx.res_ht_initialized)
 		drm_ht_remove(&dev_priv->ctx.res_ht);
-	if (dev_priv->ctx.cmd_bounce)
-		vfree(dev_priv->ctx.cmd_bounce);
+	vfree(dev_priv->ctx.cmd_bounce);
 	if (dev_priv->enable_fb) {
 		vmw_fb_close(dev_priv);
 		vmw_kms_restore_vga(dev_priv);

Reviewed-by: Thierry Reding <thierry.reding@xxxxxxxxx>


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