From: Mike Isely <isely@pobox.com>
Date: Mon, 7 Apr 2008 05:22:43 +0000 (-0300)
Subject: V4L/DVB (7712): pvrusb2: Close connect/disconnect race
X-Git-Tag: v2.6.26-rc1~1084^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97f26ff6049a7fff5460cebe392ad1d699dc434c;p=pandora-kernel.git

V4L/DVB (7712): pvrusb2: Close connect/disconnect race

If a disconnect happens before initialization is completed, the
pvrusb2 driver can accidentally touch dangling pointers.  The whole
initialization function must be protected by the big_lock, and once
inside that lock, the initialization function should abort if it is
discovered that a disconnect has already taken place.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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