Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bfb7fb79e913f60330037d1f302efee28d5f6770 Commit: bfb7fb79e913f60330037d1f302efee28d5f6770 Parent: 943c441948581bd01ab196a4d32da88bfa0f13ce Author: Wojtek Kaniewski <[EMAIL PROTECTED]> AuthorDate: Fri Dec 8 03:26:00 2006 -0800 Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]> CommitDate: Wed Dec 20 10:14:27 2006 -0800
USB: at91_udc: Additional checks This patch performs additional checks in at91_udc, just in case of some spurious interrupts or device enumeration. Signed-off-by: Wojtek Kaniewski <[EMAIL PROTECTED]> Acked-by: David Brownell <[EMAIL PROTECTED]> Cc: Andrew Victor <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> --- drivers/usb/gadget/at91_udc.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 1926d39..812c733 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -955,7 +955,10 @@ static int at91_vbus_session(struct usb_gadget *gadget, int is_active) // VDBG("vbus %s\n", is_active ? "on" : "off"); local_irq_save(flags); udc->vbus = (is_active != 0); - pullup(udc, is_active); + if (udc->driver) + pullup(udc, is_active); + else + pullup(udc, 0); local_irq_restore(flags); return 0; } @@ -1241,7 +1244,10 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr) #undef w_length /* pass request up to the gadget driver */ - status = udc->driver->setup(&udc->gadget, &pkt.r); + if (udc->driver) + status = udc->driver->setup(&udc->gadget, &pkt.r); + else + status = -ENODEV; if (status < 0) { stall: VDBG("req %02x.%02x protocol STALL; stat %d\n", - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html