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greybus: connection: try cancelling operations only if list isn't empty
author
Viresh Kumar
<viresh.kumar@linaro.org>
Fri, 14 Nov 2014 11:55:02 +0000
(17:25 +0530)
committer
Greg Kroah-Hartman
<greg@kroah.com>
Fri, 14 Nov 2014 21:32:27 +0000
(13:32 -0800)
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
drivers/staging/greybus/connection.c
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diff --git
a/drivers/staging/greybus/connection.c
b/drivers/staging/greybus/connection.c
index 32f1ec55b48fbbf1c992aebfa2eb4fdec27828da..4515bcd9dac8ba3c2665cb28efb6ea0022590f15 100644
(file)
--- a/
drivers/staging/greybus/connection.c
+++ b/
drivers/staging/greybus/connection.c
@@
-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);