Hi Minje, On Wed, Jul 12, 2023 at 07:22:22PM +0800, Minjie Du wrote: > Make IS_ERR() judge the debugfs_create_dir() function return. > > Signed-off-by: Minjie Du <duminjie@xxxxxxxx> > > v1-v2: > Fix judge typo. Please next time add the changelog after the "---" section. You will also need: Fixes: 14911c6f48ec ("i2c: gpio: add fault injector") Cc: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # v4.16+ Said that: Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Andi > --- > drivers/i2c/busses/i2c-gpio.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c > index e5a5b9e8b..545927b96 100644 > --- a/drivers/i2c/busses/i2c-gpio.c > +++ b/drivers/i2c/busses/i2c-gpio.c > @@ -265,7 +265,7 @@ static void i2c_gpio_fault_injector_init(struct platform_device *pdev) > */ > if (!i2c_gpio_debug_dir) { > i2c_gpio_debug_dir = debugfs_create_dir("i2c-fault-injector", NULL); > - if (!i2c_gpio_debug_dir) > + if (IS_ERR(i2c_gpio_debug_dir)) > return; > } > > -- > 2.39.0 >