4.9-stable review patch. If anyone has any objections, please let me know.
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From: Daniel Mack daniel@zonque.org
[ Upstream commit b951d80aaf224b1f774e10def672f5e37488e4ee ]
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: 420a488278e86 ("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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/video/fbdev/pxafb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2128,8 +2128,8 @@ static int of_get_pxafb_display(struct d 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;