allow_signal(SIGCHLD) does all necessary job, no need to call do_sigaction()
prior to.
Signed-off-by: Oleg Nesterov <[email protected]>
--- 2.6.21-rc5/kernel/kmod.c~WH 2007-04-05 12:18:28.000000000 +0400
+++ 2.6.21-rc5/kernel/kmod.c 2007-04-13 11:14:00.000000000 +0400
@@ -181,14 +181,9 @@ static int wait_for_helper(void *data)
{
struct subprocess_info *sub_info = data;
pid_t pid;
- struct k_sigaction sa;
/* Install a handler: if SIGCLD isn't handled sys_wait4 won't
* populate the status, but will return -ECHILD. */
- sa.sa.sa_handler = SIG_IGN;
- sa.sa.sa_flags = 0;
- siginitset(&sa.sa.sa_mask, sigmask(SIGCHLD));
- do_sigaction(SIGCHLD, &sa, NULL);
allow_signal(SIGCHLD);
pid = kernel_thread(____call_usermodehelper, sub_info, SIGCHLD);
-
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