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amt: Fix NULL but dereferenced coccicheck error

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Eliminate the following coccicheck warning:
./drivers/net/amt.c:2795:6-9: ERROR: amt is NULL but dereferenced.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yang Li 2021-11-05 15:12:50 +08:00 • committed by David S. Miller
parent 6789a4c051
commit 3f81c57991
1 changed files with 2 additions and 1 deletions
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3
drivers/net/amt.c
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@ -2766,7 +2766,7 @@ static int amt_err_lookup(struct sock *sk, struct sk_buff *skb)
rcu_read_lock_bh();
amt = rcu_dereference_sk_user_data(sk);
if (!amt)
goto drop;
goto out;
if (amt->mode != AMT_MODE_GATEWAY)
goto drop;
@ -2788,6 +2788,7 @@ static int amt_err_lookup(struct sock *sk, struct sk_buff *skb)
default:
goto drop;
}
out:
rcu_read_unlock_bh();
return 0;
drop: