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net: dsa: mv88e6xxx: fix uninitialized error return 

The error return err is not initialized and there is a possibility
that err is not assigned causing mv88e6xxx_port_bridge_join to
return a garbage error return status. Fix this by initializing err
to 0.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2016-04-25 23:11:22 +01:00 committed by David S. Miller
parent 7b7483409f
commit 1d9619d533
1 changed files with 1 additions and 1 deletions
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2
drivers/net/dsa/mv88e6xxx.c
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@ -2181,7 +2181,7 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
struct net_device *bridge)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int i, err;
int i, err = 0;
mutex_lock(&ps->smi_mutex);