From: Juergen Gross <jgross@suse.com>
Date: Wed, 23 Aug 2017 17:34:00 +0000 (+0200)
Subject: xen/arch/x86/genapic/probe.c: let custom parameter parsing routines return errno
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1597
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https://%22%22/%22http:/www.example.com/cgi/%22https:/%22%22?a=commitdiff_plain;h=0c3a8459866d8fd3385d7fed71252f65903d419d;p=xen.git

xen/arch/x86/genapic/probe.c: let custom parameter parsing routines return errno

Modify the custom parameter parsing routines in:

xen/arch/x86/genapic/probe.c

to indicate whether the parameter value was parsed successfully.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/arch/x86/genapic/probe.c b/xen/arch/x86/genapic/probe.c
index 9a147ff64a..af3745aa21 100644
--- a/xen/arch/x86/genapic/probe.c
+++ b/xen/arch/x86/genapic/probe.c
@@ -44,12 +44,17 @@ void __init generic_bigsmp_probe(void)
 		}
 }
 
-static void __init genapic_apic_force(char *str)
+static int __init genapic_apic_force(const char *str)
 {
-	int i;
+	int i, rc = -EINVAL;
+
 	for (i = 0; apic_probe[i]; i++)
-		if (!strcmp(apic_probe[i]->name, str))
+		if (!strcmp(apic_probe[i]->name, str)) {
 			genapic = apic_probe[i];
+			rc = 0;
+		}
+
+	return rc;
 }
 custom_param("apic", genapic_apic_force);