[PATCHv2] dmaengine: fsldma: kill tasklet before removing channel

Rosen Penev posted 1 patch 2 weeks ago
drivers/dma/fsldma.c | 1 +
1 file changed, 1 insertion(+)
[PATCHv2] dmaengine: fsldma: kill tasklet before removing channel
Posted by Rosen Penev 2 weeks ago
Add tasklet_kill() in fsl_dma_chan_remove() to prevent a race where the
tasklet is scheduled by the IRQ handler and runs after the channel has been
freed.

Assisted-by: opencode:big-pickle
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
 v2: split from series and wrap at 75 characters
 drivers/dma/fsldma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 6ce0e5668dc2..5eca8ab23564 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1207,6 +1207,7 @@ static int fsl_dma_chan_probe(struct fsldma_device *fdev,
 
 static void fsl_dma_chan_remove(struct fsldma_chan *chan)
 {
+	tasklet_kill(&chan->tasklet);
 	irq_dispose_mapping(chan->irq);
 	list_del(&chan->common.device_node);
 	iounmap(chan->regs);
-- 
2.55.0
Re: [PATCHv2] dmaengine: fsldma: kill tasklet before removing channel
Posted by Vinod Koul 1 week, 2 days ago
On Thu, 10 Sep 2026 13:28:46 -0700, Rosen Penev wrote:
> Add tasklet_kill() in fsl_dma_chan_remove() to prevent a race where the
> tasklet is scheduled by the IRQ handler and runs after the channel has been
> freed.
> 
> 

Applied, thanks!

[1/1] dmaengine: fsldma: kill tasklet before removing channel
      commit: 32ac4723e5526c44e5a1f3b1586578c17647f2ef

Best regards,
-- 
~Vinod