In case of error, the function i2c_new_client_device() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 17631e8ca2d3 ("i2c: designware: Add driver support for AMD NAVI GPU") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- v1 -> v2: fix description format. --- drivers/i2c/busses/i2c-designware-pcidrv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 7ca0017883a6..0f409a4c2da0 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -132,8 +132,8 @@ static int navi_amd_register_client(struct dw_i2c_dev *dev) info.irq = dev->irq; dev->slave = i2c_new_client_device(&dev->adapter, &info); - if (!dev->slave) - return -ENODEV; + if (IS_ERR(dev->slave)) + return PTR_ERR(dev->slave); return 0; }