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authorLv Ruyi <lv.ruyi@zte.com.cn>2022-04-12 08:51:26 +0000
committerJakub Kicinski <kuba@kernel.org>2022-04-12 14:59:42 -0700
commitf45ba67eb74ab4b775616af731bdf8944afce3f1 (patch)
tree1864da2fbe83608c76fd4699d772b58349d17fd7 /drivers/net/ethernet/xscale
parent2e5b3d4cb16e0be22f714475849bd14435b72583 (diff)
ixp4xx_eth: fix error check return value of platform_get_irq()
platform_get_irq() return negative value on failure, so null check of return value is incorrect. Fix it by comparing whether it is less than zero. Fixes: 9055a2f59162 ("ixp4xx_eth: make ptp support a platform driver") Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20220412085126.2532924-1-lv.ruyi@zte.com.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/xscale')
-rw-r--r--drivers/net/ethernet/xscale/ptp_ixp46x.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/xscale/ptp_ixp46x.c b/drivers/net/ethernet/xscale/ptp_ixp46x.c
index 1f382777aa5a..9abbdb71e629 100644
--- a/drivers/net/ethernet/xscale/ptp_ixp46x.c
+++ b/drivers/net/ethernet/xscale/ptp_ixp46x.c
@@ -271,7 +271,7 @@ static int ptp_ixp_probe(struct platform_device *pdev)
ixp_clock.master_irq = platform_get_irq(pdev, 0);
ixp_clock.slave_irq = platform_get_irq(pdev, 1);
if (IS_ERR(ixp_clock.regs) ||
- !ixp_clock.master_irq || !ixp_clock.slave_irq)
+ ixp_clock.master_irq < 0 || ixp_clock.slave_irq < 0)
return -ENXIO;
ixp_clock.caps = ptp_ixp_caps;