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rxrpc: The mutex lock returned by rxrpc_accept_call() needs releasing

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[ Upstream commit 03a6c82218b9a87014b2c6c4e178294fdc8ebd8a ]

The caller of rxrpc_accept_call() must release the lock on call->user_mutex
returned by that function.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Howells 2017-11-24 10:18:40 +00:00 committed by Greg Kroah-Hartman
parent e2443fb287
commit 92c131bebf
1 changed files with 3 additions and 2 deletions
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5
net/rxrpc/sendmsg.c
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@ -563,8 +563,8 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
/* The socket is now unlocked. */
if (IS_ERR(call))
return PTR_ERR(call);
rxrpc_put_call(call, rxrpc_call_put);
return 0;
ret = 0;
goto out_put_unlock;
}
call = rxrpc_find_call_by_user_ID(rx, p.user_call_ID);
@ -633,6 +633,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
ret = rxrpc_send_data(rx, call, msg, len, NULL);
}
out_put_unlock:
mutex_unlock(&call->user_mutex);
error_put:
rxrpc_put_call(call, rxrpc_call_put);