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| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2014-01-26 12:39:26 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2014-01-26 12:39:51 +0100 |
| commit | 8f22ba61b5d730a870cd6b10d299d23280d060fa (patch) | |
| tree | 98df624f76f1f249509274cc2496e7e62e8a69a4 /net/rxrpc/ar-connection.c | |
| parent | Linux 3.13 (diff) | |
| download | linux-8f22ba61b5d730a870cd6b10d299d23280d060fa.tar.xz linux-8f22ba61b5d730a870cd6b10d299d23280d060fa.zip | |
RxRPC: do not unlock unheld spinlock in rxrpc_connect_exclusive()
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 <khoroshilov@ispras.ru>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/ar-connection.c')
| -rw-r--r-- | net/rxrpc/ar-connection.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c index 4106ca95ec86..7bf5b5b9e8b9 100644 --- a/net/rxrpc/ar-connection.c +++ b/net/rxrpc/ar-connection.c @@ -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 |