devm_kasprintf() could failed and return a NULL pointer, which
will then be used in the later code. Add check to prevent the potential
NULL pointer dereference.
Fixes: 25dcb5dd7b7c ("dmaengine: ti: New driver for K3 UDMA")
Signed-off-by: Zhang Zekun <zhangzekun11@xxxxxxxxxx>
---
drivers/dma/ti/k3-udma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 406ee199c2ac..fdaea8f72a9c 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -5534,6 +5534,8 @@ 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 */
--
2.17.1
