This is a note to let you know that I've just added the patch titled
media: mantis: fix silly crash case
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-mantis-fix-silly-crash-case.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e1d45ae10aea8e8a403e5d96bf5902ee670007ff Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@xxxxxxxxxxxxxxx>
Date: Thu, 9 Aug 2012 12:33:52 -0300
Subject: media: mantis: fix silly crash case
From: Alan Cox <alan@xxxxxxxxxxxxxxx>
commit e1d45ae10aea8e8a403e5d96bf5902ee670007ff upstream.
If we set mantis->fe to NULL on an error its not a good idea to then try
passing NULL to the unregister paths and oopsing really.
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=16473
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: Bjørn Mork <bjorn@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/dvb/mantis/mantis_dvb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/media/dvb/mantis/mantis_dvb.c
+++ b/drivers/media/dvb/mantis/mantis_dvb.c
@@ -248,8 +248,10 @@ int __devinit mantis_dvb_init(struct man
err5:
tasklet_kill(&mantis->tasklet);
dvb_net_release(&mantis->dvbnet);
- dvb_unregister_frontend(mantis->fe);
- dvb_frontend_detach(mantis->fe);
+ if (mantis->fe) {
+ dvb_unregister_frontend(mantis->fe);
+ dvb_frontend_detach(mantis->fe);
+ }
err4:
mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_mem);
Patches currently in stable-queue which might be from alan@xxxxxxxxxxxxxxx are
queue-3.4/media-mantis-fix-silly-crash-case.patch
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