Replace kmalloc with kmalloc array in drm/gud/gud_pipe.c since the
calculation inside kmalloc is dynamic 'width * height' to avoid
overflow.

Signed-off-by: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@gmail.com>
---
Changelog:

Changes since v1:
- Use of width as element count and height as size of element to
eliminate the mentionned calculation and overflow issues.

 drivers/gpu/drm/gud/gud_pipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/gud/gud_pipe.c b/drivers/gpu/drm/gud/gud_pipe.c
index 8d548d08f127..8898dc9393fb 100644
--- a/drivers/gpu/drm/gud/gud_pipe.c
+++ b/drivers/gpu/drm/gud/gud_pipe.c
@@ -70,7 +70,7 @@ static size_t gud_xrgb8888_to_r124(u8 *dst, const struct drm_format_info *format
 	height = drm_rect_height(rect);
 	len = drm_format_info_min_pitch(format, 0, width) * height;
 
-	buf = kmalloc(width * height, GFP_KERNEL);
+	buf = kmalloc_array(width, height, GFP_KERNEL);
 	if (!buf)
 		return 0;
 
-- 
2.51.0