FAILED: Patch "media: cx23885: Add missing unmap in snd_cx23885_hw_params()" failed to apply to 6.1-stable tree

The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 141c81849fab2ad4d6e3fdaff7cbaa873e8b5eb2 Mon Sep 17 00:00:00 2001
From: Haoxiang Li <[email protected]>
Date: Wed, 10 Dec 2025 11:02:17 +0800
Subject: [PATCH] media: cx23885: Add missing unmap in snd_cx23885_hw_params()

In error path, add cx23885_alsa_dma_unmap() to release the resource acquired by cx23885_alsa_dma_map().

---
 drivers/media/pci/cx23885/cx23885-alsa.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

index 25dc8d4dc5b73..717fc6c9ef21f 100644
@@ -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);

2.51.0