[PATCH] pnpbios_thread_init: don't use CLONE_SIGHAND

From: Oleg Nesterov
Date: Thu Apr 12 2007 - 19:57:40 EST


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

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--- 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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