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EDAC/aspeed: Fix handling of platform_get_irq() error

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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: 9b7e6242ee ("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
This commit is contained in:
Krzysztof Kozlowski 2020-08-27 09:07:42 +02:00 committed by Borislav Petkov
parent 857a3139bd
commit afce699694
1 changed files with 2 additions and 2 deletions
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4
drivers/edac/aspeed_edac.c
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@ -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);