FAILED: patch "[PATCH] gpio: grgpio: Add NULL check in grgpio_probe" failed to apply to 6.12-stable tree

The patch below does not apply to the 6.12-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y
git checkout FETCH_HEAD
git cherry-pick -x 050b23d081da0f29474de043e9538c1f7a351b3b
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2024120312-squeamish-paced-a41a@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^..

Possible dependencies:

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 050b23d081da0f29474de043e9538c1f7a351b3b Mon Sep 17 00:00:00 2001
From: Charles Han <[email protected]>
Date: Thu, 14 Nov 2024 17:18:22 +0800
Subject: [PATCH] gpio: grgpio: Add NULL check in grgpio_probe

devm_kasprintf() can return a NULL pointer on failure,but this returned value in grgpio_probe is not checked.
Add NULL check in grgpio_probe, to handle kernel NULL pointer dereference error.

index 7ffe59d845f0..169f33c41c59 100644
@@ -369,6 +369,9 @@ static int grgpio_probe(struct platform_device *ofdev)
 	gc->owner = THIS_MODULE;
 	gc->to_irq = grgpio_to_irq;
 	gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+	if (!gc->label)
+		return -ENOMEM;
+
 	gc->base = -1;
 
 	err = of_property_read_u32(np, "nbits", &prop);