USB: cdc-acm: Fix stupid NULL pointer in resume()

commit f0730924e9e32bb8935c60040a26d94179355088 upstream.

Stupid logic bug passing a just nulled pointer

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0885932efbfc3dab45b879c125022452515829be..db6b07136ea313a699ef293ddf713aaf300fb07f 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1441,7 +1441,7 @@ static int acm_resume(struct usb_interface *intf)
                        wb = acm->delayed_wb;
                        acm->delayed_wb = NULL;
                        spin_unlock_irq(&acm->write_lock);
-                       acm_start_wb(acm, acm->delayed_wb);
+                       acm_start_wb(acm, wb);
                } else {
                        spin_unlock_irq(&acm->write_lock);
                }