From 79795bf9df395001c8d659ac8d28090ea9cefc8d Mon Sep 17 00:00:00 2001 From: Lyude Paul Date: Wed, 27 Jun 2018 20:29:42 -0400 Subject: [PATCH] modesetting: Fix uninitialized memory usage in drmmode_crtc_get_fb_id() This really sucked to find out :( Signed-off-by: Lyude Paul Reviewed-by: Karol Herbst (cherry picked from commit c41d4ff48f72aa964afd131b59e1538295d062dc) --- hw/xfree86/drivers/modesetting/drmmode_display.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c index 53e055611..27b8d51a6 100644 --- a/hw/xfree86/drivers/modesetting/drmmode_display.c +++ b/hw/xfree86/drivers/modesetting/drmmode_display.c @@ -604,6 +604,8 @@ drmmode_crtc_get_fb_id(xf86CrtcPtr crtc, uint32_t *fb_id, int *x, int *y) drmmode_ptr drmmode = drmmode_crtc->drmmode; int ret; + *fb_id = 0; + if (drmmode_crtc->prime_pixmap) { if (!drmmode->reverse_prime_offload_mode) { msPixmapPrivPtr ppriv =