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Commit e1d45ae1 authored by Alan Cox's avatar Alan Cox Committed by Mauro Carvalho Chehab
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[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: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 3a7503b5

drivers/media/dvb/mantis/mantis_dvb.c

+4 −2
Original line number Diff line number Diff line
@@ -248,8 +248,10 @@ int __devinit mantis_dvb_init(struct mantis_pci *mantis) 
err5:

	tasklet_kill(&mantis->tasklet);

	dvb_net_release(&mantis->dvbnet);

	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);