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dmaengine: fsldma: kill tasklet before removing channel

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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>
Link: https://patch.msgid.link/20260910202846.48941-1-rosenp@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Rosen Penev 2026-09-10 13:28:46 -07:00 committed by Vinod Koul
parent eb18901d48
commit 32ac4723e5
1 changed files with 1 additions and 0 deletions
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drivers/dma/fsldma.c
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@ -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);