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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-19 07:06:01 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-19 07:06:01 +0800 |
| commit | 0e08365f0b487279f1698e079e08d526fb4f24de (patch) | |
| tree | f1a95e06617e7bcf3c7e4e90f4010d04565f68f9 /drivers/usb/host/xhci.c | |
| parent | 1d97869198a36dfc2920abd5776d91767fbead63 (diff) | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
Merge 3.19-rc5 into usb-next
We want the usb fixes in this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index e2827655a525..1b0c91f12da2 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3797,6 +3797,15 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, return -EINVAL; } + if (setup == SETUP_CONTEXT_ONLY) { + slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx); + if (GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state)) == + SLOT_STATE_DEFAULT) { + xhci_dbg(xhci, "Slot already in default state\n"); + return 0; + } + } + command = xhci_alloc_command(xhci, false, false, GFP_KERNEL); if (!command) return -ENOMEM; |