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greybus: connection: clean up connection creation 

Add variable for the host cport id rather than overload retval.
Remove redundant automatic variable for the id map.

Tested-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
hifive-unleashed-5.1
Johan Hovold 2015-07-23 10:50:00 +02:00 committed by Greg Kroah-Hartman
parent 2975617421
commit 7c63a827d0
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/greybus/connection.c
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@ -152,6 +152,7 @@ gb_connection_create_range(struct greybus_host_device *hd,
{
struct gb_connection *connection;
struct ida *id_map = &hd->cport_id_map;
int hd_cport_id;
int retval;
u8 major = 0;
u8 minor = 1;
@ -170,12 +171,12 @@ gb_connection_create_range(struct greybus_host_device *hd,
if (!connection)
return NULL;
retval = ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
if (retval < 0) {
hd_cport_id = ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
if (hd_cport_id < 0) {
kfree(connection);
return NULL;
}
connection->hd_cport_id = (u16)retval;
connection->hd_cport_id = hd_cport_id;
connection->intf_cport_id = cport_id;
connection->hd = hd;
@ -200,8 +201,6 @@ gb_connection_create_range(struct greybus_host_device *hd,
retval = device_add(&connection->dev);
if (retval) {
struct ida *id_map = &connection->hd->cport_id_map;
ida_simple_remove(id_map, connection->hd_cport_id);
connection->hd_cport_id = CPORT_ID_BAD;
put_device(&connection->dev);