driver core: cpu: use put_device() if device_register fail

if device_register() returned an error! Always use put_device() to give up the reference initialized. Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
Sonicadvance1 · Mar 15, 2018 · 3aaba24 · 3aaba24
1 parent c1cc0d5
commit 3aaba24
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
@@ -382,8 +382,10 @@ int register_cpu(struct cpu *cpu, int num)
 	if (cpu->hotpluggable)
 		cpu->dev.groups = hotplugable_cpu_attr_groups;
 	error = device_register(&cpu->dev);
-	if (error)
+	if (error) {
+		put_device(&cpu->dev);
 		return error;
+	}
 
 	per_cpu(cpu_sys_devices, num) = &cpu->dev;
 	register_cpu_under_node(num, cpu_to_node(num));