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greybus: connection: verify disabled when destroyed

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A connection must be in DISABLED state before it gets destroyed.
Warn if this is ever not the case (and do the disconnect) before
proceeding with connection destruction.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Alex Elder 2016-05-17 09:13:16 -05:00 committed by Greg Kroah-Hartman
parent ac00154a7c
commit 814ae531d1
1 changed files with 3 additions and 0 deletions
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3
drivers/staging/greybus/connection.c
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@ -660,6 +660,9 @@ void gb_connection_destroy(struct gb_connection *connection)
if (!connection)
return;
if (WARN_ON(connection->state != GB_CONNECTION_STATE_DISABLED))
gb_connection_disable(connection);
mutex_lock(&gb_connection_mutex);
spin_lock_irq(&gb_connections_lock);