[PATCH] soc: aspeed: fix platform_get_irq() error checking

Dan Carpenter dan.carpenter at oracle.com
Thu Aug 11 21:00:22 AEST 2022


The platform_get_irq() function returns negative error codes but this
code is testing for zero instead.

Fixes: 9f4f9ae81d0a ("drivers/misc: add Aspeed LPC snoop driver")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
 drivers/soc/aspeed/aspeed-lpc-snoop.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c
index eceeaf8dfbeb..c4a03b3a5cf8 100644
--- a/drivers/soc/aspeed/aspeed-lpc-snoop.c
+++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c
@@ -167,8 +167,8 @@ static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,
 	int rc;
 
 	lpc_snoop->irq = platform_get_irq(pdev, 0);
-	if (!lpc_snoop->irq)
-		return -ENODEV;
+	if (lpc_snoop->irq < 0)
+		return lpc_snoop->irq;
 
 	rc = devm_request_irq(dev, lpc_snoop->irq,
 			      aspeed_lpc_snoop_irq, IRQF_SHARED,
-- 
2.35.1



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