Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / kernel / kmod.c

diff --git a/kernel/kmod.c b/kernel/kmod.c
index da98d0593de24206d68222d787d059a5a2b025a1..0277d1216f80ae1adeed84a686ed34c9b2931fc2 100644 (file)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -327,9 +327,13 @@ static void call_usermodehelper_exec_work(struct work_struct *work)
                call_usermodehelper_exec_sync(sub_info);
        } else {
                pid_t pid;
-
+               /*
+                * Use CLONE_PARENT to reparent it to kthreadd; we do not
+                * want to pollute current->children, and we need a parent
+                * that always ignores SIGCHLD to ensure auto-reaping.
+                */
                pid = kernel_thread(call_usermodehelper_exec_async, sub_info,
-                                   SIGCHLD);
+                                   CLONE_PARENT | SIGCHLD);
                if (pid < 0) {
                        sub_info->retval = pid;
                        umh_complete(sub_info);