From a6e208736587648fc1eb8a4d832d90427586f367 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Mon, 2 Dec 2024 19:17:03 +0100 Subject: [PATCH] uio: uio_dmem_genirq: check the return value of devm_kasprintf() devm_kasprintf() can fail so check its return value and bail-out on no memory. Fixes: 52e2dc2ce2d8 ("uio: Convert a few more users to using %pOFn instead of device_node.name") Signed-off-by: Bartosz Golaszewski Link: https://lore.kernel.org/r/20241202181703.28546-1-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio_dmem_genirq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c index c70dd81bfc61f..31aa75110ba59 100644 --- a/drivers/uio/uio_dmem_genirq.c +++ b/drivers/uio/uio_dmem_genirq.c @@ -167,6 +167,8 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev) } uioinfo->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn", pdev->dev.of_node); + if (!uioinfo->name) + return -ENOMEM; uioinfo->version = "devicetree"; }