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greybus: connection: try cancelling operations only if list isn't empty

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Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Viresh Kumar 2014-11-14 17:25:02 +05:30 committed by Greg Kroah-Hartman
parent f66832dae0
commit 38d61ddf95
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/greybus/connection.c
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@ -226,11 +226,10 @@ void gb_connection_destroy(struct gb_connection *connection)
return;
/* XXX Need to wait for any outstanding requests to complete */
WARN_ON(!list_empty(&connection->operations));
list_for_each_entry_safe(operation, next, &connection->operations,
links) {
gb_operation_cancel(operation);
if (WARN_ON(!list_empty(&connection->operations))) {
list_for_each_entry_safe(operation, next,
&connection->operations, links)
gb_operation_cancel(operation);
}
spin_lock_irq(&gb_connections_lock);
list_del(&connection->interface_links);