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[media] firedtv: handle errors from dvb_net_init 

It is not common for dvb_net_init to fail, but after the patch
"dvb_net_init: return -errno on error" it can fail due to running out
of memory.  Handle this.

From an audit of dvb_net_init callers.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jonathan Nieder 2011-12-31 08:19:56 -03:00 committed by Mauro Carvalho Chehab
parent 60826f0269
commit f1d99f39fb
1 changed files with 4 additions and 1 deletions
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5
drivers/media/dvb/firewire/firedtv-dvb.c
View File

@ -203,7 +203,9 @@ int fdtv_dvb_register(struct firedtv *fdtv, const char *name)
if (err)
goto fail_rem_frontend;
dvb_net_init(&fdtv->adapter, &fdtv->dvbnet, &fdtv->demux.dmx);
err = dvb_net_init(&fdtv->adapter, &fdtv->dvbnet, &fdtv->demux.dmx);
if (err)
goto fail_disconnect_frontend;
fdtv_frontend_init(fdtv, name);
err = dvb_register_frontend(&fdtv->adapter, &fdtv->fe);
@ -218,6 +220,7 @@ int fdtv_dvb_register(struct firedtv *fdtv, const char *name)
fail_net_release:
dvb_net_release(&fdtv->dvbnet);
fail_disconnect_frontend:
fdtv->demux.dmx.close(&fdtv->demux.dmx);
fail_rem_frontend:
fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx, &fdtv->frontend);