USB: Realtek cr: fix autopm scheduling while atomic

Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=784345

Reported-by: Francis Moreau <francis.moro@gmail.com>
Reported-and-tested-by: Christian D <chrisudeussen@gmail.com>
Reported-and-tested-by: Jimmy Dorff <jdorff@phy.duke.edu>
Reported-and-tested-by: collura@ieee.org
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 1f62723ef1a86013a8f1dbd5d96356559ea0ceda..d32f72061c099ddae5aca09758bed77feddf7319 100644 (file)
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -789,7 +789,7 @@ static void rts51x_suspend_timer_fn(unsigned long data)
                        rts51x_set_stat(chip, RTS51X_STAT_SS);
                        /* ignore mass storage interface's children */
                        pm_suspend_ignore_children(&us->pusb_intf->dev, true);
-                       usb_autopm_put_interface(us->pusb_intf);
+                       usb_autopm_put_interface_async(us->pusb_intf);
                        US_DEBUGP("%s: RTS51X_STAT_SS 01,"
                                "intf->pm_usage_cnt:%d, power.usage:%d\n",
                                __func__,