[PATCH] net: dsa: vsc73xxx: Fix uninitalized 'val' in vsc73xx_adjust_link

[Danila Chernetsov]

Using uninitialized variable after calls vsc73xx_read 
without error checking may cause incorrect driver behavior.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 95711cd5f0b4 ("net: dsa: vsc73xx: Split vsc73xx driver")
Signed-off-by: Danila Chernetsov <listdansp@xxxxxxx>
---
 drivers/net/dsa/vitesse-vsc73xx-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
index ae55167ce0a6..729005d6cb7e 100644
--- a/drivers/net/dsa/vitesse-vsc73xx-core.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
@@ -758,7 +758,7 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port,
 				struct phy_device *phydev)
 {
 	struct vsc73xx *vsc = ds->priv;
-	u32 val;
+	u32 val = 0;
 
 	/* Special handling of the CPU-facing port */
 	if (port == CPU_PORT) {
-- 
2.25.1