diff options
| author | Su Hui <suhui@nfschina.com> | 2025-05-15 09:30:43 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2025-05-22 00:07:18 +0300 |
| commit | d9f0a97e859bdcef51f9c187b1eb712eb13fd3ff (patch) | |
| tree | 0c1c2eed624fd9b365561b486f52216c74e026e9 | |
| parent | e4f59f873c3ffe2a0150e11115a83e2dfb671dbf (diff) | |
| download | linux-d9f0a97e859bdcef51f9c187b1eb712eb13fd3ff.tar.xz | |
soc: aspeed: lpc: Fix impossible judgment condition
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 <suhui@nfschina.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20231027020703.1231875-1-suhui@nfschina.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | drivers/soc/aspeed/aspeed-lpc-snoop.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index 9ab5ba9cf1d6..57ba855f375d 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, |