diff options
| author | Chuhong Yuan <hslester96@gmail.com> | 2020-06-05 18:17:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-26 10:27:08 +0200 |
| commit | 407f42f84082d86b2971bd8272105c64fe8ba152 (patch) | |
| tree | fc83d03f3c3843a9bff75c2b7883223f47f8fe1b | |
| parent | c6fda7312fa96721c802e0b118eb9c6174adead2 (diff) | |
media: budget-core: Improve exception handling in budget_register()
[ Upstream commit fc0456458df8b3421dba2a5508cd817fbc20ea71 ]
budget_register() has no error handling after its failure.
Add the missed undo functions for error handling to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/media/pci/ttpci/budget-core.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c index e9674b40007c..6107c469efa0 100644 --- a/drivers/media/pci/ttpci/budget-core.c +++ b/drivers/media/pci/ttpci/budget-core.c @@ -386,20 +386,25 @@ static int budget_register(struct budget *budget) ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; budget->mem_frontend.source = DMX_MEMORY_FE; ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); if (ret < 0) - return ret; + goto err_release_dmx; ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); return 0; + +err_release_dmx: + dvb_dmxdev_release(&budget->dmxdev); + dvb_dmx_release(&budget->demux); + return ret; } static void budget_unregister(struct budget *budget) |