From: Krzysztof Kozlowski <k...@kernel.org>

[ Upstream commit afce6996943be265fa39240b67025cfcb1bcdfb1 ]

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 <k...@kernel.org>
Signed-off-by: Borislav Petkov <b...@suse.de>
Reviewed-by: Stefan Schaeckeler <schae...@gmx.net>
Link: https://lkml.kernel.org/r/20200827070743.26628-1-k...@kernel.org
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/edac/aspeed_edac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/aspeed_edac.c b/drivers/edac/aspeed_edac.c
index b194658b8b5c9..fbec28dc661d7 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);
-- 
2.25.1



Reply via email to