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[v2,37/52] xen/drivers/video/vesa.c: let custom parameter parsing routines return errno

Message ID 20170814070849.20986-38-jgross@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jürgen Groß Aug. 14, 2017, 7:08 a.m. UTC 
Modify the custom parameter parsing routines in:

xen/drivers/video/vesa.c

to indicate whether the parameter value was parsed successfully.

Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Tim Deegan <tim@xen.org>
Cc: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---
 xen/drivers/video/vesa.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

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);