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Commit 61ab7903 authored by Antonino A. Daplas's avatar Antonino A. Daplas Committed by Linus Torvalds
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[PATCH] fbdev: Initialize var structure in calc_mode_timings 



The var structure in calc_mode_timings is not properly initialized (zero set)
which leads to undefined behavior when it is passed to fb_get_mode().

Signed-off-by: default avatarAntonino Daplas <adaplas@pol.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 7c1cd6fd

drivers/video/fbmon.c

+3 −1
Original line number Diff line number Diff line
@@ -314,11 +314,13 @@ static int edid_is_monitor_block(unsigned char *block) 
		return 0;

}



static void calc_mode_timings(int xres, int yres, int refresh, struct fb_videomode *mode)

static void calc_mode_timings(int xres, int yres, int refresh,

			      struct fb_videomode *mode)

{

	struct fb_var_screeninfo var;

	struct fb_info info;

	

	memset(&var, 0, sizeof(struct fb_var_screeninfo));

	var.xres = xres;

	var.yres = yres;

	fb_get_mode(FB_VSYNCTIMINGS | FB_IGNOREMON,