From: Dmitri Epshtein <dima@xxxxxxxxxxx> Sometimes disable_periodic() stop scan_periodic before than free_cached_itd_list() was called. In such case USB Host stacked during disconnect operation Solution: add call of free_cached_itd_list() function in disable_periodic() Signed-off-by: Dimitry Epshtein <dima@xxxxxxxxxxx> Signed-off-by: Saeed Bishara <saeed@xxxxxxxxxxx> Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/host/ehci-sched.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 1e391e6..e7a3b08 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -510,6 +510,8 @@ static int disable_periodic (struct ehci_hcd *ehci) ehci_writel(ehci, cmd, &ehci->regs->command); /* posted write ... */ + free_cached_itd_list(ehci); + ehci->next_uframe = -1; return 0; } -- 1.7.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
