Modify the custom parameter parsing routines in:
xen/arch/x86/shutdown.c
to indicate whether the parameter value was parsed successfully.
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Signed-off-by: Juergen Gross <jgr...@suse.com>
---
V3:
- dont stop loop at first invalid character (Jan Beulich)
---
xen/arch/x86/shutdown.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/xen/arch/x86/shutdown.c b/xen/arch/x86/shutdown.c
index f63b8a668f..862384a8eb 100644
--- a/xen/arch/x86/shutdown.c
+++ b/xen/arch/x86/shutdown.c
@@ -51,8 +51,11 @@ static int reboot_mode;
* efi Use the EFI reboot (if running under EFI)
*/
static enum reboot_type reboot_type = BOOT_INVALID;
-static void __init set_reboot_type(char *str)
+
+static int __init set_reboot_type(const char *str)
{
+ int rc = 0;
+
for ( ; ; )
{
switch ( *str )
@@ -74,6 +77,8 @@ static void __init set_reboot_type(char *str)
case 't':
reboot_type = *str;
break;
+ default:
+ rc = -EINVAL;
}
if ( (str = strchr(str, ',')) == NULL )
break;
@@ -82,6 +87,8 @@ static void __init set_reboot_type(char *str)
if ( reboot_type == BOOT_EFI && !efi_enabled(EFI_RS) )
reboot_type = BOOT_INVALID;
+
+ return rc;
}
custom_param("reboot", set_reboot_type);
--
2.12.3
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