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Subject: [media] mantis: fix silly crash case Author: Alan Cox <[email protected]> Date: Thu Aug 9 12:33:52 2012 -0300 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 <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/dvb/mantis/mantis_dvb.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=e1d45ae10aea8e8a403e5d96bf5902ee670007ff diff --git a/drivers/media/dvb/mantis/mantis_dvb.c b/drivers/media/dvb/mantis/mantis_dvb.c index e5180e4..5d15c6b 100644 --- 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 mantis_pci *mantis) 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); _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
