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

Stupid logic bug passing a just nulled pointer

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Cc: stable <stable@kernel.org>
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 975d556b47874e5148b1520ff5bb5cc6a8c072bc..be6331e2c2764f0f4b1d36a85efd773e0c76bdd5 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);
                }