Message ID | 20201212160614.92576-1-christophe.jaillet@wanadoo.fr (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | [1/2] dmaengine: fsldma: Fix a resource leak in the remove function | expand |
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 554f70a0c18c..f8459cc5315d 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1214,6 +1214,7 @@ 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); @@ -1292,6 +1293,10 @@ 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:
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> --- Patch provided as-is. I don't have the configuration to compile test this patch --- drivers/dma/fsldma.c | 5 +++++ 1 file changed, 5 insertions(+)