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xhci: Add missing annotation for xhci_set_port_power()

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Sparse reports a warning at xhci_set_port_power()

warning: context imbalance in xhci_set_port_power - unexpected unlock

The root cause is the missing annotation at xhci_set_port_power()
Add the missing __must_hold(&xhci->lock) annotattion

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/20200214204741.94112-23-jbi.octave@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jules Irenge 2020-02-14 20:47:33 +00:00 committed by Greg Kroah-Hartman
parent 16105850f7
commit dce174e01d
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/host/xhci-hub.c
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@ -558,6 +558,7 @@ struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd)
*/
static void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd,
u16 index, bool on, unsigned long *flags)
__must_hold(&xhci->lock)
{
struct xhci_hub *rhub;
struct xhci_port *port;