[PATCH -next v2] i2c: designware: Fix return value check in navi_amd_register_client()

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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;
 }




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