[PATCH] pnpbios_thread_init: don't use CLONE_SIGHAND

[Oleg Nesterov <oleg@tv-sign.ru>]

pnp_dock_thread() calls allow_signal() which plays with parent process's
->sighand.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

--- 2.6.21-rc5/drivers/pnp/pnpbios/core.c~3_pnp	2006-12-17 19:06:40.000000000 +0300
+++ 2.6.21-rc5/drivers/pnp/pnpbios/core.c	2007-04-13 03:44:34.000000000 +0400
@@ -589,7 +589,7 @@ static int __init pnpbios_thread_init(vo
 		return 0;
 #ifdef CONFIG_HOTPLUG
 	init_completion(&unload_sem);
-	if (kernel_thread(pnp_dock_thread, NULL, CLONE_KERNEL) > 0)
+	if (kernel_thread(pnp_dock_thread, NULL, CLONE_FS | CLONE_FILES) > 0)
 		unloading = 0;
 #endif
 	return 0;

-
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