From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> Add the missing mutex_unlock() before return from function acpi_memory_remove_memory() in the error handling case. Introduce by commit 85fcb3758c10e063a2a30dfad75017097999deed 'ACPI / memory-hotplug: introduce a mutex lock to protect the list in acpi_memory_device' dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> --- drivers/acpi/acpi_memhotplug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 92c973a..e573e87 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -325,8 +325,10 @@ static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device) list_for_each_entry_safe(info, n, &mem_device->res_list, list) { if (info->enabled) { result = remove_memory(info->start_addr, info->length); - if (result) + if (result) { + mutex_unlock(&mem_device->list_lock); return result; + } } list_del(&info->list); -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
