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video: fbdev: pxafb: clear allocated memory for video modes 

When parsing the video modes from DT properties, make sure to zero out
memory before using it. This is important because not all fields in the mode
struct are explicitly initialized, even though they are used later on.

Fixes: 420a488278 ("video: fbdev: pxafb: initial devicetree conversion")
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
This commit is contained in:
Daniel Mack 2018-07-24 19:11:25 +02:00 committed by Bartlomiej Zolnierkiewicz
parent aa45ee8e54
commit b951d80aaf
1 changed files with 2 additions and 2 deletions
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4
drivers/video/fbdev/pxafb.c
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@ -2128,8 +2128,8 @@ static int of_get_pxafb_display(struct device *dev, struct device_node *disp,
return -EINVAL;
ret = -ENOMEM;
info->modes = kmalloc_array(timings->num_timings,
sizeof(info->modes[0]), GFP_KERNEL);
info->modes = kcalloc(timings->num_timings, sizeof(info->modes[0]),
GFP_KERNEL);
if (!info->modes)
goto out;
info->num_modes = timings->num_timings;