Patch "lib82596: Fix IRQ check in sni_82596_probe" has been added to the 5.16-stable tree

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This is a note to let you know that I've just added the patch titled

    lib82596: Fix IRQ check in sni_82596_probe

to the 5.16-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:
     lib82596-fix-irq-check-in-sni_82596_probe.patch
and it can be found in the queue-5.16 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 99218cbf81bf21355a3de61cd46a706d36e900e6 Mon Sep 17 00:00:00 2001
From: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Fri, 14 Jan 2022 06:57:24 +0000
Subject: lib82596: Fix IRQ check in sni_82596_probe

From: Miaoqian Lin <linmq006@xxxxxxxxx>

commit 99218cbf81bf21355a3de61cd46a706d36e900e6 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: 115978859272 ("i825xx: Move the Intel 82586/82593/82596 based drivers")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/i825xx/sni_82596.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/i825xx/sni_82596.c
+++ b/drivers/net/ethernet/i825xx/sni_82596.c
@@ -117,9 +117,10 @@ static int sni_82596_probe(struct platfo
 	netdevice->dev_addr[5] = readb(eth_addr + 0x06);
 	iounmap(eth_addr);
 
-	if (!netdevice->irq) {
+	if (netdevice->irq < 0) {
 		printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n",
 			__FILE__, netdevice->base_addr);
+		retval = netdevice->irq;
 		goto probe_failed;
 	}
 


Patches currently in stable-queue which might be from linmq006@xxxxxxxxx are

queue-5.16/drm-sun4i-dw-hdmi-fix-missing-put_device-call-in-sun.patch
queue-5.16/usb-dwc3-qcom-fix-null-vs-is_err-checking-in-dwc3_qc.patch
queue-5.16/phy-mediatek-fix-missing-check-in-mtk_mipi_tx_probe.patch
queue-5.16/gpio-mpc8xxx-fix-irq-check-in-mpc8xxx_probe.patch
queue-5.16/drivers-firmware-add-missing-platform_device_put-in-.patch
queue-5.16/parisc-pdc_stable-fix-memory-leak-in-pdcs_register_pathentries.patch
queue-5.16/gpio-idt3243x-fix-irq-check-in-idt_gpio_probe.patch
queue-5.16/lib82596-fix-irq-check-in-sni_82596_probe.patch
queue-5.16/scsi-ufs-ufs-mediatek-fix-error-checking-in-ufs_mtk_init_va09_pwr_ctrl.patch
queue-5.16/bluetooth-hci_qca-fix-null-vs-is_err_or_null-check-i.patch
queue-5.16/spi-spi-meson-spifc-add-missing-pm_runtime_disable-i.patch



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