ACPI: handle firmware_register init errors

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index b2977695e120..7b77ee146a80 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
+#include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
@@ -738,7 +739,10 @@ static int __init acpi_init(void)
                 return -ENODEV;
         }
 
-        firmware_register(&acpi_subsys);
+        result = firmware_register(&acpi_subsys);
+        if (result < 0)
+                printk(KERN_WARNING "%s: firmware_register error: %d\n",
+                        __FUNCTION__, result);
 
         result = acpi_bus_init();