From: Jon Burgess <jburgess@uklinux.net>
Date: Wed, 28 Sep 2005 04:45:26 +0000 (-0700)
Subject: [PATCH] dvb: fix NULL pointer dereference when loading the budget-av module
X-Git-Tag: v2.6.14-rc3~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88bdcc5d5e9a7ea280f99262f48b70aba9d949bf;p=pandora-kernel.git

[PATCH] dvb: fix NULL pointer dereference when loading the budget-av module

Ralph Metzler wrote:
> AFAIR, there is a bug in tda10021.c in tda10021_readreg() which
> references state->frontend.dvb->num
> This is fatal if the frontend is not at the probed address and thus
> not yet registered (no dvb entry set yet -> NULL pointer ...).

The attached patch should get rid of the oops.

Signed-off-by: Jon Burgess <jburgess@uklinux.net>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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