The fixed_phy_get_gpiod function() returns NULL, it doesn't return error
pointers, using NULL checking to fix this.i

Fixes: 5468e82f7034 ("net: phy: fixed-phy: Drop GPIO from fixed_phy_add()")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/net/phy/fixed_phy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
index c65fb5f5d2dc..a0c256bd5441 100644
--- a/drivers/net/phy/fixed_phy.c
+++ b/drivers/net/phy/fixed_phy.c
@@ -239,8 +239,8 @@ static struct phy_device *__fixed_phy_register(unsigned int irq,
 	/* Check if we have a GPIO associated with this fixed phy */
 	if (!gpiod) {
 		gpiod = fixed_phy_get_gpiod(np);
-		if (IS_ERR(gpiod))
-			return ERR_CAST(gpiod);
+		if (!gpiod)
+			return ERR_PTR(-EINVAL);
 	}
 
 	/* Get the next available PHY address, up to PHY_MAX_ADDR */
-- 
2.17.1

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Fri, 24 Dec 2021 02:14:59 +0000 you wrote:
> The fixed_phy_get_gpiod function() returns NULL, it doesn't return error
> pointers, using NULL checking to fix this.i
> 
> Fixes: 5468e82f7034 ("net: phy: fixed-phy: Drop GPIO from fixed_phy_add()")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> ---
>  drivers/net/phy/fixed_phy.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Here is the summary with links:
  - net: phy: fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register
    https://git.kernel.org/netdev/net/c/b45396afa417

You are awesome, thank you!
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