From: Amelie Delaunay amelie.delaunay@foss.st.com
[ Upstream commit da3b8ddb464bd49b6248d00ca888ad751c9e44fd ]
The parameter to pass back to the handler function when irq has been requested is a struct stm32_mdma_device pointer, not a struct stm32_mdma_chan pointer. Even if chan is reinit later in the function, remove this wrong initialization.
Fixes: a4ffb13c8946 ("dmaengine: Add STM32 MDMA driver") Signed-off-by: Amelie Delaunay amelie.delaunay@foss.st.com Link: https://lore.kernel.org/r/20220504155322.121431-3-amelie.delaunay@foss.st.co... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/stm32-mdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 4ec6f5b69f56..9d54746c422c 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1344,7 +1344,7 @@ static void stm32_mdma_xfer_end(struct stm32_mdma_chan *chan) static irqreturn_t stm32_mdma_irq_handler(int irq, void *devid) { struct stm32_mdma_device *dmadev = devid; - struct stm32_mdma_chan *chan = devid; + struct stm32_mdma_chan *chan; u32 reg, id, ccr, ien, status;
/* Find out which channel generates the interrupt */