1 files changed, 6 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index e907ca66f75a..638883e23e3a 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -490,6 +490,12 @@ static int __init rtas_init(void)
                 return -ENODEV;
         }
 
+        if (!rtas_event_scan_rate) {
+                /* Broken firmware: take a rate of zero to mean don't scan */
+                printk(KERN_DEBUG "rtasd: scan rate is 0, not scanning\n");
+                return 0;
+        }
+
         /* Make room for the sequence number */
         rtas_error_log_max = rtas_get_error_log_max();
         rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int);