diff options
Diffstat (limited to 'arch/arm/mach-hisi')
-rw-r--r-- | arch/arm/mach-hisi/hotplug.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mach-hisi/hotplug.c b/arch/arm/mach-hisi/hotplug.c index ae5461cfb67f..909bb2493781 100644 --- a/arch/arm/mach-hisi/hotplug.c +++ b/arch/arm/mach-hisi/hotplug.c @@ -148,13 +148,20 @@ static int hi3xxx_hotplug_init(void) struct device_node *node; node = of_find_compatible_node(NULL, NULL, "hisilicon,sysctrl"); - if (node) { - ctrl_base = of_iomap(node, 0); - id = HI3620_CTRL; - return 0; + if (!node) { + id = ERROR_CTRL; + return -ENOENT; } - id = ERROR_CTRL; - return -ENOENT; + + ctrl_base = of_iomap(node, 0); + of_node_put(node); + if (!ctrl_base) { + id = ERROR_CTRL; + return -ENOMEM; + } + + id = HI3620_CTRL; + return 0; } void hi3xxx_set_cpu(int cpu, bool enable) |