video: Fix use-after-free by vga16fb on rmmod

[deliverable/linux.git] / drivers / video / vga16fb.c

diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 53b2c5aae06791becfea4721a3d0ad702e24f109..305c975b1787ea0628d600d2ac89c89cd0afdee9 100644 (file)
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -1265,9 +1265,11 @@ static void vga16fb_imageblit(struct fb_info *info, const struct fb_image *image
 
 static void vga16fb_destroy(struct fb_info *info)
 {
+       struct platform_device *dev = container_of(info->device, struct platform_device, dev);
        iounmap(info->screen_base);
        fb_dealloc_cmap(&info->cmap);
        /* XXX unshare VGA regions */
+       platform_set_drvdata(dev, NULL);
        framebuffer_release(info);
 }