From: Jeff Dike <jdike@addtoit.com>
Date: Tue, 7 Feb 2006 20:58:41 +0000 (-0800)
Subject: [PATCH] uml: close TUN/TAP file descriptors
X-Git-Tag: v2.6.16-rc3~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d2ddcfb1935c9c0e98c4295458b01f24e3274f9;p=pandora-kernel.git

[PATCH] uml: close TUN/TAP file descriptors

When UML opens a TUN/TAP device, the file descriptor could be copied into
later, long-lived threads, holding the device open even after the interface is
taken down, preventing it from being brought up again.  This patch makes these
descriptors close-on-exec so that they disappear from helper processes, and
adds CLONE_FILES to a UML helper thread so that the descriptors are closed in
the thread when they are closed elsewhere in UML.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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