1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/mpc7450-pmu.c b/arch/powerpc/kernel/mpc7450-pmu.c
index c244133c67a6..cc466d039af6 100644
--- a/arch/powerpc/kernel/mpc7450-pmu.c
+++ b/arch/powerpc/kernel/mpc7450-pmu.c
@@ -407,7 +407,8 @@ struct power_pmu mpc7450_pmu = {
 
 static int init_mpc7450_pmu(void)
 {
-        if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/7450"))
+        if (!cur_cpu_spec->oprofile_cpu_type ||
+            strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/7450"))
                 return -ENODEV;
 
         return register_power_pmu(&mpc7450_pmu);