[Xen-devel] [PATCH v2 08/52] xen/arch/x86/genapic/probe.c: let custom parameter parsing routines return errno

[Juergen Gross <jgross@xxxxxxxx>]

Modify the custom parameter parsing routines in:

xen/arch/x86/genapic/probe.c

to indicate whether the parameter value was parsed successfully.

Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/arch/x86/genapic/probe.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/genapic/probe.c b/xen/arch/x86/genapic/probe.c
index 9a147ff64a..c3a3b85cd6 100644
--- a/xen/arch/x86/genapic/probe.c
+++ b/xen/arch/x86/genapic/probe.c
@@ -44,12 +44,16 @@ void __init generic_bigsmp_probe(void)
                }
 }
 
-static void __init genapic_apic_force(char *str)
+static int __init genapic_apic_force(char *str)
 {
        int i;
        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];
+                       return 0;
+               }
+
+       return -EINVAL;
 }
 custom_param("apic", genapic_apic_force);
 
-- 
2.12.3


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel