linux-kernel - [PATCH 01/12] ASoC: qdsp6: q6asm: do not sleep while atomic

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Message-ID: <20251017085307.4325-2-srinivas.kandagatla@oss.qualcomm.com>
Date: Fri, 17 Oct 2025 09:52:56 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
To: broonie@...nel.org
Cc: perex@...ex.cz, tiwai@...e.com, srini@...nel.org, alexey.klimov@...aro.org,
        linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>,
        Stable@...r.kernel.org
Subject: [PATCH 01/12] ASoC: qdsp6: q6asm: do not sleep while atomic

For some reason we ended up kfree between spinlock lock and unlock,
which can sleep.

move the kfree out of spinlock section.

Fixes: a2a5d30218fd ("ASoC: qdsp6: q6asm: Add support to memory map and unmap")
Cc: Stable@...r.kernel.org
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
---
 sound/soc/qcom/qdsp6/q6asm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/qcom/qdsp6/q6asm.c b/sound/soc/qcom/qdsp6/q6asm.c
index 06a802f9dba5..67e9ca18883c 100644
--- a/sound/soc/qcom/qdsp6/q6asm.c
+++ b/sound/soc/qcom/qdsp6/q6asm.c
@@ -377,9 +377,9 @@ static void q6asm_audio_client_free_buf(struct audio_client *ac,
 
 	spin_lock_irqsave(&ac->lock, flags);
 	port->num_periods = 0;
+	spin_unlock_irqrestore(&ac->lock, flags);
 	kfree(port->buf);
 	port->buf = NULL;
-	spin_unlock_irqrestore(&ac->lock, flags);
 }
 
 /**
-- 
2.51.0