This is a note to let you know that I've just added the patch titled bcmgenet: add WOL IRQ check to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: bcmgenet-add-wol-irq-check.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 9deb48b53e7f4056c2eaa2dc2ee3338df619e4f6 Mon Sep 17 00:00:00 2001 From: Sergey Shtylyov <s.shtylyov@xxxxxx> Date: Thu, 13 Jan 2022 22:46:07 +0300 Subject: bcmgenet: add WOL IRQ check From: Sergey Shtylyov <s.shtylyov@xxxxxx> commit 9deb48b53e7f4056c2eaa2dc2ee3338df619e4f6 upstream. The driver neglects to check the result of platform_get_irq_optional()'s call and blithely passes the negative error codes to devm_request_irq() (which takes *unsigned* IRQ #), causing it to fail with -EINVAL. Stop calling devm_request_irq() with the invalid IRQ #s. Fixes: 8562056f267d ("net: bcmgenet: request Wake-on-LAN interrupt") Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx> Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3443,10 +3443,12 @@ static int bcmgenet_probe(struct platfor /* Request the WOL interrupt and advertise suspend if available */ priv->wol_irq_disabled = true; - err = devm_request_irq(&pdev->dev, priv->wol_irq, bcmgenet_wol_isr, 0, - dev->name, priv); - if (!err) - device_set_wakeup_capable(&pdev->dev, 1); + if (priv->wol_irq > 0) { + err = devm_request_irq(&pdev->dev, priv->wol_irq, + bcmgenet_wol_isr, 0, dev->name, priv); + if (!err) + device_set_wakeup_capable(&pdev->dev, 1); + } /* Set the needed headroom to account for any possible * features enabling/disabling at runtime Patches currently in stable-queue which might be from s.shtylyov@xxxxxx are queue-4.4/bcmgenet-add-wol-irq-check.patch