From: Ulrich Hecht <uli+cip@fpond.eu>
Date: Fri, 2 Dec 2022 04:42:53 +0000 (+0100)
Subject: Revert "fbdev: fb_pm2fb: Avoid potential divide by zero error"
X-Git-Tag: v4.9.335~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1ccb4e09c04c661c681284b9e1dc7fdf3061d53;p=thirdparty%2Fkernel%2Fstable.git

Revert "fbdev: fb_pm2fb: Avoid potential divide by zero error"

This reverts commit 6577e903a9e193ad70f2db92eba57c4f335afd1a. It's a
duplicate of a commit that is already in this tree
(0f1174f4972ea9fad6becf8881d71adca8e9ca91).

Signed-off-by: Ulrich Hecht <uli+cip@fpond.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c
index 50b569d047b10..9b32b9fc44a5c 100644
--- a/drivers/video/fbdev/pm2fb.c
+++ b/drivers/video/fbdev/pm2fb.c
@@ -619,11 +619,6 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 		return -EINVAL;
 	}
 
-	if (!var->pixclock) {
-		DPRINTK("pixclock is zero\n");
-		return -EINVAL;
-	}
-
 	if (PICOS2KHZ(var->pixclock) > PM2_MAX_PIXCLOCK) {
 		DPRINTK("pixclock too high (%ldKHz)\n",
 			PICOS2KHZ(var->pixclock));