[S390] Check the return value of kthread_run().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 1d084691e71ec8e9ab532ac79bb434e1d95b9356..442d63470428bd3a5432e2231dcbbb12ec4a4418 100644 (file)
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -525,7 +525,11 @@ arch_initcall(machine_check_init);
 static int __init
 machine_check_crw_init (void)
 {
-       kthread_run(s390_collect_crw_info, &m_sem, "kmcheck");
+       struct task_struct *task;
+
+       task = kthread_run(s390_collect_crw_info, &m_sem, "kmcheck");
+       if (IS_ERR(task))
+               return PTR_ERR(task);
        ctl_set_bit(14, 28);    /* enable channel report MCH */
        return 0;
 }