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greybus: connection: silence warning on unbound protocols

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If a protocol was not successfully created, we can't drop the refcount
on it. This might happen for example if the connection fails to bind a
protocol.

Silences a warning on cleanup.

Signed-off-by: Perry Hung <perry@leaflabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Perry Hung 2015-07-24 19:02:30 -04:00 • committed by Greg Kroah-Hartman
commit 52fa38327b
2 changed files with 2 additions and 4 deletions
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3
drivers/staging/greybus/connection.c
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@ -319,7 +319,8 @@ void gb_connection_destroy(struct gb_connection *connection)
list_del(&connection->hd_links);
spin_unlock_irq(&gb_connections_lock);
gb_protocol_put(connection->protocol);
if (connection->protocol)
gb_protocol_put(connection->protocol);
connection->protocol = NULL;
id_map = &connection->hd->cport_id_map;

3
drivers/staging/greybus/protocol.c
View file

@ -196,9 +196,6 @@ void gb_protocol_put(struct gb_protocol *protocol)
u8 minor;
u8 protocol_count;
if (WARN_ON(!protocol))
return;
id = protocol->id;
major = protocol->major;
minor = protocol->minor;