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| author | Aleksandr Burakov <a.burakov@rosalinux.ru> | 2024-03-01 14:15:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-12 12:03:23 +0300 |
| commit | 62fd155f2a05a4708230fd086ebc6ae00a2e794c (patch) | |
| tree | ccce4fc7029a6b5a37d1e52a25fd75fa4511d6f9 /drivers/media | |
| parent | 1ca59f0a20d64a21c360d53e84963e34f6cda1ea (diff) | |
| download | linux-62fd155f2a05a4708230fd086ebc6ae00a2e794c.tar.xz | |
media: ngene: Add dvb_ca_en50221_init return value check
[ Upstream commit 9bb1fd7eddcab2d28cfc11eb20f1029154dac718 ]
The return value of dvb_ca_en50221_init() is not checked here that may
cause undefined behavior in case of nonzero value return.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 25aee3debe04 ("[media] Rename media/dvb as media/pci")
Signed-off-by: Aleksandr Burakov <a.burakov@rosalinux.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/pci/ngene/ngene-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index 7481f553f959..24ec576dc3bf 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -1488,7 +1488,9 @@ static int init_channel(struct ngene_channel *chan) } if (dev->ci.en && (io & NGENE_IO_TSOUT)) { - dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1); + ret = dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1); + if (ret != 0) + goto err; set_transfer(chan, 1); chan->dev->channel[2].DataFormatFlags = DF_SWAP32; set_transfer(&chan->dev->channel[2], 1); |