add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/net/bluetooth/rfcomm/sock.c
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@@ -64,15 +64,13 @@
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 static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err)
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 {
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 	struct sock *sk = d->owner, *parent;
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-	unsigned long flags;
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 	if (!sk)
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 		return;
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 	BT_DBG("dlc %p state %ld err %d", d, d->state, err);
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-	local_irq_save(flags);
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-	bh_lock_sock(sk);
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+	spin_lock_bh(&sk->sk_lock.slock);
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 	if (err)
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 		sk->sk_err = err;
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@@ -93,8 +91,7 @@
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 		sk->sk_state_change(sk);
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 	}
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-	bh_unlock_sock(sk);
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-	local_irq_restore(flags);
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+	spin_unlock_bh(&sk->sk_lock.slock);
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 	if (parent && sock_flag(sk, SOCK_ZAPPED)) {
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 		/* We have to drop DLC lock here, otherwise