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net: dcb: set error code on failures

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In function dcbnl_cee_fill(), returns the value of variable err on
errors. However, on some error paths (e.g. nla put fails), its value may
be 0. It may be better to explicitly set a negative errno to variable
err before returning.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188881

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2016-12-03 21:49:08 +08:00 committed by David S. Miller
parent a38b610094
commit c66ebf2db5
1 changed files with 1 additions and 0 deletions
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net/dcb/dcbnl.c
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@ -1353,6 +1353,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
dcb_unlock:
spin_unlock_bh(&dcb_lock);
nla_put_failure:
err = -EMSGSIZE;
return err;
}