From: Peter Samuelson Date: Mon, 28 Apr 2008 09:15:03 +0000 (-0700) Subject: fbmem: fix con2fbmap limit check X-Git-Tag: v2.6.26-rc1~828 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=57a7a6db0eed2862072497116232f57a6843cadd;p=platform%2Fkernel%2Flinux-exynos.git fbmem: fix con2fbmap limit check Fix limit check in FBIOPUT_CON2FBMAP ioctl. Signed-off-by: Peter Samuelson Cc: Geert Uytterhoeven Cc: "Antonino A. Daplas" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 279c2db..0c1461b 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1057,7 +1057,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, case FBIOPUT_CON2FBMAP: if (copy_from_user(&con2fb, argp, sizeof(con2fb))) return - EFAULT; - if (con2fb.console < 0 || con2fb.console > MAX_NR_CONSOLES) + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) return -EINVAL; if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) return -EINVAL;