This is a note to let you know that I've just added the patch titled gpio: mpc8xxx: Fix IRQ check in mpc8xxx_probe to the 5.15-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: gpio-mpc8xxx-fix-irq-check-in-mpc8xxx_probe.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0b39536cc699db6850c426db7f9cb45923de40c5 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Fri, 14 Jan 2022 06:48:20 +0000 Subject: gpio: mpc8xxx: Fix IRQ check in mpc8xxx_probe From: Miaoqian Lin <linmq006@xxxxxxxxx> commit 0b39536cc699db6850c426db7f9cb45923de40c5 upstream. platform_get_irq() returns negative error number instead 0 on failure. And the doc of platform_get_irq() provides a usage example: int irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; Fix the check of return value to catch errors correctly. Fixes: 76c47d1449fc ("gpio: mpc8xxx: Add ACPI support") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpio/gpio-mpc8xxx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -388,8 +388,8 @@ static int mpc8xxx_probe(struct platform } mpc8xxx_gc->irqn = platform_get_irq(pdev, 0); - if (!mpc8xxx_gc->irqn) - return 0; + if (mpc8xxx_gc->irqn < 0) + return mpc8xxx_gc->irqn; mpc8xxx_gc->irq = irq_domain_create_linear(fwnode, MPC8XXX_GPIO_PINS, Patches currently in stable-queue which might be from linmq006@xxxxxxxxx are queue-5.15/usb-dwc3-qcom-fix-null-vs-is_err-checking-in-dwc3_qc.patch queue-5.15/phy-mediatek-fix-missing-check-in-mtk_mipi_tx_probe.patch queue-5.15/gpio-mpc8xxx-fix-irq-check-in-mpc8xxx_probe.patch queue-5.15/drivers-firmware-add-missing-platform_device_put-in-.patch queue-5.15/parisc-pdc_stable-fix-memory-leak-in-pdcs_register_pathentries.patch queue-5.15/gpio-idt3243x-fix-irq-check-in-idt_gpio_probe.patch queue-5.15/scsi-ufs-ufs-mediatek-fix-error-checking-in-ufs_mtk_init_va09_pwr_ctrl.patch queue-5.15/bluetooth-hci_qca-fix-null-vs-is_err_or_null-check-i.patch queue-5.15/spi-spi-meson-spifc-add-missing-pm_runtime_disable-i.patch