[PATCH AUTOSEL 4.14 02/13] media: budget-core: Improve exception handling in budget_register()
From: Sasha Levin <sashal@kernel.org>
Date: 2020-08-20 00:07:01
Also in:
linux-media, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
From: Chuhong Yuan <redacted> [ 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 <redacted> 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> --- drivers/media/pci/ttpci/budget-core.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c
index 97499b2af7144..20524376b83be 100644
--- a/drivers/media/pci/ttpci/budget-core.c
+++ b/drivers/media/pci/ttpci/budget-core.c@@ -383,20 +383,25 @@ 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)
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2.25.1