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authorKrzysztof Kozlowski <krzk@kernel.org>2020-08-27 10:07:42 +0300
committerBorislav Petkov <bp@suse.de>2020-09-01 21:41:27 +0300
commitafce6996943be265fa39240b67025cfcb1bcdfb1 (patch)
treee83dd5b58a5ef96fe3062547e2da260fccfcfe81 /drivers/edac/aspeed_edac.c
parent857a3139bd8be4f702c030c8ca06f3fd69c1741a (diff)
downloadlinux-afce6996943be265fa39240b67025cfcb1bcdfb1.tar.xz
EDAC/aspeed: Fix handling of platform_get_irq() error
platform_get_irq() returns a negative error number on error. In such a case, comparison to 0 would pass the check therefore check the return value properly, whether it is negative. [ bp: Massage commit message. ] Fixes: 9b7e6242ee4e ("EDAC, aspeed: Add an Aspeed AST2500 EDAC driver") Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Stefan Schaeckeler <schaecsn@gmx.net> Link: https://lkml.kernel.org/r/20200827070743.26628-1-krzk@kernel.org
Diffstat (limited to 'drivers/edac/aspeed_edac.c')
-rw-r--r--drivers/edac/aspeed_edac.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/edac/aspeed_edac.c b/drivers/edac/aspeed_edac.c
index b194658b8b5c..fbec28dc661d 100644
--- a/drivers/edac/aspeed_edac.c
+++ b/drivers/edac/aspeed_edac.c
@@ -209,8 +209,8 @@ static int config_irq(void *ctx, struct platform_device *pdev)
/* register interrupt handler */
irq = platform_get_irq(pdev, 0);
dev_dbg(&pdev->dev, "got irq %d\n", irq);
- if (!irq)
- return -ENODEV;
+ if (irq < 0)
+ return irq;
rc = devm_request_irq(&pdev->dev, irq, mcr_isr, IRQF_TRIGGER_HIGH,
DRV_NAME, ctx);