From: Juergen Gross <jgross@suse.com>
Date: Wed, 23 Aug 2017 17:35:00 +0000 (+0200)
Subject: xen/drivers/video/vesa.c: let custom parameter parsing routines return errno
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1569
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=0cf775506c352892f540e03b9f7edd5eb84aec63;p=xen.git

xen/drivers/video/vesa.c: let custom parameter parsing routines return errno

Modify the custom parameter parsing routines in:

xen/drivers/video/vesa.c

to indicate whether the parameter value was parsed successfully.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/drivers/video/vesa.c b/xen/drivers/video/vesa.c
index 09d344c021..c92497e0bc 100644
--- a/xen/drivers/video/vesa.c
+++ b/xen/drivers/video/vesa.c
@@ -29,12 +29,14 @@ static unsigned int vram_remap;
 integer_param("vesa-map", vram_remap);
 
 static int font_height;
-static void __init parse_font_height(const char *s)
+static int __init parse_font_height(const char *s)
 {
     if ( simple_strtoul(s, &s, 10) == 8 && (*s++ == 'x') )
         font_height = simple_strtoul(s, &s, 10);
     if ( *s != '\0' )
         font_height = 0;
+
+    return 0;
 }
 custom_param("font", parse_font_height);