diff options
| author | Haoxiang Li | 2025-12-10 10:53:48 +0800 |
|---|---|---|
| committer | Sasha Levin | 2026-03-04 07:20:44 -0500 |
| commit | 24f3dabeb97bd0bec8c1c926c97e3eb6a8129225 (patch) | |
| tree | ec64f17b6e9294de60688e8ff832005af22dd948 /drivers | |
| parent | 2fe28a63d598235595a9601e0d8fdc7c8f4fd575 (diff) | |
media: cx88: Add missing unmap in snd_cx88_hw_params()
[ Upstream commit dbc527d980f7ba8559de38f8c1e4158c71a78915 ]
In error path, add cx88_alsa_dma_unmap() to release
resource acquired by cx88_alsa_dma_map().
Fixes: b2c75abde0de ("[media] cx88: drop videobuf abuse in cx88-alsa")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-alsa.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 29fb1311e443..4e574d8390b4 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -483,8 +483,10 @@ static int snd_cx88_hw_params(struct snd_pcm_substream *substream, ret = cx88_risc_databuffer(chip->pci, &buf->risc, buf->sglist, chip->period_size, chip->num_periods, 1); - if (ret < 0) + if (ret < 0) { + cx88_alsa_dma_unmap(chip); goto error; + } /* Loop back to start of program */ buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); |