On Wed Dec 10 11:02:17 2025 +0800, Haoxiang Li wrote:
> In error path, add cx23885_alsa_dma_unmap() to release the
> resource acquired by cx23885_alsa_dma_map().
>
> Fixes: 9529a4b0cf49 ("[media] cx23885: drop videobuf abuse in cx23885-alsa")
> Cc: [email protected]
> Signed-off-by: Haoxiang Li <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/pci/cx23885/cx23885-alsa.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c
b/drivers/media/pci/cx23885/cx23885-alsa.c
index 25dc8d4dc5b7..717fc6c9ef21 100644
--- a/drivers/media/pci/cx23885/cx23885-alsa.c
+++ b/drivers/media/pci/cx23885/cx23885-alsa.c
@@ -392,8 +392,10 @@ static int snd_cx23885_hw_params(struct snd_pcm_substream
*substream,
ret = cx23885_risc_databuffer(chip->pci, &buf->risc, buf->sglist,
chip->period_size, chip->num_periods, 1);
- if (ret < 0)
+ if (ret < 0) {
+ cx23885_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);
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