diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-08-09 17:33:52 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-12 17:22:43 +0200 |
| commit | e1d45ae10aea8e8a403e5d96bf5902ee670007ff (patch) | |
| tree | 233b04be392f94701ce5f3593efa15da51e0a58f /drivers | |
| parent | [media] dvb: nxt200x: apply levels to the printk()s (diff) | |
| download | linux-e1d45ae10aea8e8a403e5d96bf5902ee670007ff.tar.xz linux-e1d45ae10aea8e8a403e5d96bf5902ee670007ff.zip | |
[media] mantis: fix silly crash case
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@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb/mantis/mantis_dvb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/dvb/mantis/mantis_dvb.c b/drivers/media/dvb/mantis/mantis_dvb.c index e5180e45d310..5d15c6b74d9b 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); |