| Message ID | 20180603144220.475786254@twibright.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Index: linux-4.16.12/drivers/gpu/drm/udl/udl_fb.c =================================================================== --- linux-4.16.12.orig/drivers/gpu/drm/udl/udl_fb.c 2018-05-29 17:55:39.000000000 +0200 +++ linux-4.16.12/drivers/gpu/drm/udl/udl_fb.c 2018-05-29 17:55:39.000000000 +0200 @@ -221,7 +221,7 @@ static int udl_fb_open(struct fb_info *i struct fb_deferred_io *fbdefio; - fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); + fbdefio = kzalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); if (fbdefio) { fbdefio->delay = DL_DEFIO_WRITE_DELAY;
We must use kzalloc when allocating the fb_deferred_io structure. Otherwise, the field first_io is undefined and it causes a crash. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org --- drivers/gpu/drm/udl/udl_fb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)