From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit b202d4e82531a62a33a6b14d321dd2aad491578e ]
In case of error, the previous 'fsl_dma_chan_probe()' calls must be undone by some 'fsl_dma_chan_remove()', as already done in the remove function.
It was added in the remove function in commit 77cd62e8082b ("fsldma: allow Freescale Elo DMA driver to be compiled as a module")
Fixes: d3f620b2c4fe ("fsldma: simplify IRQ probing and handling") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Link: https://lore.kernel.org/r/20201212160614.92576-1-christophe.jaillet@wanadoo.... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/fsldma.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 79166c8d5afc1..65d3571e723f9 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1218,6 +1218,7 @@ static int fsldma_of_probe(struct platform_device *op) { struct fsldma_device *fdev; struct device_node *child; + unsigned int i; int err;
fdev = kzalloc(sizeof(*fdev), GFP_KERNEL); @@ -1296,6 +1297,10 @@ static int fsldma_of_probe(struct platform_device *op) return 0;
out_free_fdev: + for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) { + if (fdev->chan[i]) + fsl_dma_chan_remove(fdev->chan[i]); + } irq_dispose_mapping(fdev->irq); iounmap(fdev->regs); out_free: