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| author |   Jonathan Nieder <jrnieder@gmail.com> | 2011-12-31 08:06:37 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-06 12:49:18 -0200 |
| commit | 2dbbac330621e83d00e904d1139b62e7b360f946 (patch) | |
| tree | cb2a7f0e508b6458e7a583b8a414e5d17b0b4c99 | |
| parent | [media] flexcop: handle errors from dvb_net_init (diff) | |
| download | linux-dev-2dbbac330621e83d00e904d1139b62e7b360f946.tar.xz linux-dev-2dbbac330621e83d00e904d1139b62e7b360f946.zip | |
[media] dvb-bt8xx: handle errors from dvb_net_init
Clean up and error out if dvb_net_init fails (for example when
running out of memory).
From an audit of dvb_net_init callers, now that dvb_net_init
has learned to return a nonzero value from time to time.
[mchehab.redhat.com: codingstyle fix: printk() should include KERN_ facility level]
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/dvb/bt8xx/dvb-bt8xx.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 1952f6bfc90e..8a31349dd7d5 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -782,7 +782,12 @@ static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) goto err_remove_mem_frontend; } - dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx); + result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx); + if (result < 0) { + printk(KERN_ERR, + "dvb_bt8xx: dvb_net_init failed (errno = %d)\n", result); + goto err_disconnect_frontend; + } tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card); @@ -790,6 +795,8 @@ static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) return 0; +err_disconnect_frontend: + card->demux.dmx.disconnect_frontend(&card->demux.dmx); err_remove_mem_frontend: card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem); err_remove_hw_frontend: |