| Message ID | 20250402023900.43440-1-bsdhenrymartin@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v1] dmaengine: ti: Add NULL check in udma_probe() | expand |
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 7ed1956b4642..f1c2f8170730 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -5582,7 +5582,8 @@ static int udma_probe(struct platform_device *pdev) uc->config.dir = DMA_MEM_TO_MEM; uc->name = devm_kasprintf(dev, GFP_KERNEL, "%s chan%d", dev_name(dev), i); - + if (!uc->name) + return -ENOMEM; vchan_init(&uc->vc, &ud->ddev); /* Use custom vchan completion handling */ tasklet_setup(&uc->vc.task, udma_vchan_complete);
devm_kasprintf() returns NULL when memory allocation fails. Currently, udma_probe() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue. Fixes: 25dcb5dd7b7c ("dmaengine: ti: New driver for K3 UDMA") Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com> --- drivers/dma/ti/k3-udma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)