From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Sun, 30 Oct 2005 23:02:17 +0000 (-0800)
Subject: [PATCH] fix de_thread vs it_real_fn() deadlock
X-Git-Tag: v2.6.15-rc1~59^2~15^2~102
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=932aeafbe8521a9a9d790152d66020e0fef2029b;p=pandora-kernel.git

[PATCH] fix de_thread vs it_real_fn() deadlock

de_thread() calls del_timer_sync(->real_timer) under ->sighand->siglock.
This is deadlockable, it_real_fn sends a signal and needs this lock too.

Also, delete unneeded ->real_timer.data assignment.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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