linux-kernel - [PATCH] drm/qxl: remove unnecessary BUG

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Date:   Thu,  5 Dec 2019 17:42:31 -0600
From:   Aditya Pakki <pakki001@....edu>
To:     pakki001@....edu
Cc:     kjlu@....edu, Dave Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org,
        spice-devel@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/qxl: remove unnecessary BUG_ON check for handle

In qxl_gem_object_create_with_handle(), handle's memory is not
allocated on the heap. Checking for failure of handle via BUG_ON
is unnecessary. This patch eliminates the check.

Signed-off-by: Aditya Pakki <pakki001@....edu>
---
 drivers/gpu/drm/qxl/qxl_gem.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c
index 69f37db1027a..45b779a8bc22 100644
--- a/drivers/gpu/drm/qxl/qxl_gem.c
+++ b/drivers/gpu/drm/qxl/qxl_gem.c
@@ -84,7 +84,6 @@ int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
 	int r;
 
 	BUG_ON(!qobj);
-	BUG_ON(!handle);
 
 	r = qxl_gem_object_create(qdev, size, 0,
 				  domain,
-- 
2.17.1