From: Parag Warudkar <paragw@paragw.zapto.org>
Date: Tue, 2 Jan 2007 20:09:31 +0000 (+0100)
Subject: [PATCH] selinux: fix selinux_netlbl_inode_permission() locking
X-Git-Tag: v2.6.20-rc4~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9883a13c72dbf8c518814b6091019643cdb34429;p=pandora-kernel.git

[PATCH] selinux: fix selinux_netlbl_inode_permission() locking

do not call a sleeping lock API in an RCU read section.
lock_sock_nested can sleep, its BH counterpart doesn't.
selinux_netlbl_inode_permission() needs to use the BH counterpart
unconditionally.

Compile tested.

From: Ingo Molnar <mingo@elte.hu>

added BH disabling, because this function can be called from non-atomic
contexts too, so a naked bh_lock_sock() would be deadlock-prone.

Boot-tested the resulting kernel.

Signed-off-by: Parag Warudkar <paragw@paragw.zapto.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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