Initialized return variable

Fixes Old smatch warnings:
drivers/net/phy/micrel.c:1750 ksz886x_cable_test_get_status() error:
uninitialized symbol 'ret'.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 21b688dabecb ("net: phy: micrel: Cable Diag feature for lan8814 phy")
Signed-off-by: Divya Koppera <Divya.Koppera@microchip.com>
---
v3 -> v4:
- Split the patch for different warnings.

v1 -> v3:
- No changes
---
 drivers/net/phy/micrel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 26ce0c5defcd..1bcdb828db56 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -2088,7 +2088,8 @@ static int ksz886x_cable_test_get_status(struct phy_device *phydev,
 	const struct kszphy_type *type = phydev->drv->driver_data;
 	unsigned long pair_mask = type->pair_mask;
 	int retries = 20;
-	int pair, ret;
+	int ret = 0;
+	int pair;
 
 	*finished = false;
 
-- 
2.17.1

On Mon, Dec 05, 2022 at 04:05:49PM +0530, Divya Koppera wrote:
> Initialized return variable
> 
> Fixes Old smatch warnings:
> drivers/net/phy/micrel.c:1750 ksz886x_cable_test_get_status() error:
> uninitialized symbol 'ret'.

I guess this patch has been rebased without the smatch warning being
changed because line 1750 in net-next/main is a blank line between two
functions.

> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Fixes: 21b688dabecb ("net: phy: micrel: Cable Diag feature for lan8814 phy")
> Signed-off-by: Divya Koppera <Divya.Koppera@microchip.com>

So once i looked in the correct place:

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew

Hi Andrew,

> -----Original Message-----
> From: Andrew Lunn <andrew@lunn.ch>
> Sent: Monday, December 5, 2022 7:07 PM
> To: Divya Koppera - I30481 <Divya.Koppera@microchip.com>
> Cc: hkallweit1@gmail.com; linux@armlinux.org.uk; davem@davemloft.net;
> edumazet@google.com; kuba@kernel.org; pabeni@redhat.com;
> netdev@vger.kernel.org; linux-kernel@vger.kernel.org;
> richardcochran@gmail.com; UNGLinuxDriver
> <UNGLinuxDriver@microchip.com>; Madhuri Sripada - I34878
> <Madhuri.Sripada@microchip.com>
> Subject: Re: [PATCH v4 net-next 1/2] net: phy: micrel: Fixed error related to
> uninitialized symbol ret
> 
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> content is safe
> 
> On Mon, Dec 05, 2022 at 04:05:49PM +0530, Divya Koppera wrote:
> > Initialized return variable
> >
> > Fixes Old smatch warnings:
> > drivers/net/phy/micrel.c:1750 ksz886x_cable_test_get_status() error:
> > uninitialized symbol 'ret'.
> 
> I guess this patch has been rebased without the smatch warning being
> changed because line 1750 in net-next/main is a blank line between two
> functions.
> 

Yes, rebased without fix.

> > Reported-by: kernel test robot <lkp@intel.com>
> > Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> > Fixes: 21b688dabecb ("net: phy: micrel: Cable Diag feature for lan8814
> > phy")
> > Signed-off-by: Divya Koppera <Divya.Koppera@microchip.com>
> 
> So once i looked in the correct place:
> 
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> 
>     Andrew