ia64/topology.c: exit cache_add_dev when kobject_init_and_add fails

Make cache_add_dev exit sysfs when kobject_init_and_add returns an error.

Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index bc80dff1df7a..8f060352e129 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -372,6 +372,10 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
         retval = kobject_init_and_add(&all_cpu_cache_info[cpu].kobj,
                                       &cache_ktype_percpu_entry, &sys_dev->kobj,
                                       "%s", "cache");
+        if (unlikely(retval < 0)) {
+                cpu_cache_sysfs_exit(cpu);
+                return retval;
+        }
 
         for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) {
                 this_object = LEAF_KOBJECT_PTR(cpu,i);
@@ -385,7 +389,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
                         }
                         kobject_put(&all_cpu_cache_info[cpu].kobj);
                         cpu_cache_sysfs_exit(cpu);
-                        break;
+                        return retval;
                 }
                 kobject_uevent(&(this_object->kobj), KOBJ_ADD);
         }