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authorBjørn Mork <bjorn@mork.no>2013-11-29 20:17:45 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-09 13:14:11 -0800
commit4144bc861ed7934d56f16d2acd808d44af0fcc90 (patch)
tree6222f33987d662b3931deac4b9cea5d8cde4eb53
parent757de81e8bc86d256d05d938dfd52be72a773525 (diff)
usb: cdc-wdm: manage_power should always set needs_remote_wakeup
Cc: stable <stable@vger.kernel.org> Reported-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Bjørn Mork <bjorn@mork.no> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/class/cdc-wdm.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 4d387596f3f..0b23a863931 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -854,13 +854,11 @@ static int wdm_manage_power(struct usb_interface *intf, int on)
{
/* need autopm_get/put here to ensure the usbcore sees the new value */
int rv = usb_autopm_get_interface(intf);
- if (rv < 0)
- goto err;
intf->needs_remote_wakeup = on;
- usb_autopm_put_interface(intf);
-err:
- return rv;
+ if (!rv)
+ usb_autopm_put_interface(intf);
+ return 0;
}
static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)