From b828083b3d7da486dc95b4b3a9c7b27c55d9204a Mon Sep 17 00:00:00 2001 From: Su Hui Date: Thu, 15 May 2025 16:00:43 +0930 Subject: [PATCH] soc: aspeed: lpc: Fix impossible judgment condition MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit d9f0a97e859bdcef51f9c187b1eb712eb13fd3ff ] smatch error： drivers/soc/aspeed/aspeed-lpc-snoop.c:169 aspeed_lpc_snoop_config_irq() warn: platform_get_irq() does not return zero platform_get_irq() return non-zero IRQ number or negative error code, change '!lpc_snoop->irq' to 'lpc_snoop->irq < 0' to fix this. Fixes: 9f4f9ae81d0a ("drivers/misc: add Aspeed LPC snoop driver") Signed-off-by: Su Hui Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20231027020703.1231875-1-suhui@nfschina.com Signed-off-by: Andrew Jeffery Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- drivers/soc/aspeed/aspeed-lpc-snoop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index 773dbcbc03a6..8cb3a0b4692c 100644 --- a/drivers/soc/aspeed/aspeed-lpc-snoop.c +++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c @@ -166,7 +166,7 @@ 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) + if (lpc_snoop->irq < 0) return -ENODEV; rc = devm_request_irq(dev, lpc_snoop->irq,