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xhci: Add missing annotation for xhci_enter_test_mode 

Sparse reports a warning at xhci_enter_test_mode()

warning: context imbalance in  xhci_enter_test_mode - unexpected unlock

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

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/20200214204741.94112-24-jbi.octave@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jules Irenge 2020-02-14 20:47:34 +00:00 committed by Greg Kroah-Hartman
parent dce174e01d
commit 055b185a33
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/host/xhci-hub.c
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@ -609,6 +609,7 @@ static void xhci_port_set_test_mode(struct xhci_hcd *xhci,
static int xhci_enter_test_mode(struct xhci_hcd *xhci,
u16 test_mode, u16 wIndex, unsigned long *flags)
__must_hold(&xhci->lock)
{
int i, retval;