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RxRPC: do not unlock unheld spinlock in rxrpc_connect_exclusive()

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If rx->conn is not NULL, rxrpc_connect_exclusive() does not
acquire the transport's client lock, but it still releases it.

The patch adds locking of the spinlock to this path.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <[email protected]>
Signed-off-by: David Howells <[email protected]>
This commit is contained in:
Alexey Khoroshilov 2014-01-26 11:39:26 +00:00 • committed by David Howells
commit 8f22ba61b5
1 changed files with 2 additions and 0 deletions
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2
net/rxrpc/ar-connection.c
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@ -381,6 +381,8 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
rxrpc_assign_connection_id(conn);
rx->conn = conn;
} else {
spin_lock(&trans->client_lock);
}
/* we've got a connection with a free channel and we can now attach the