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(parent: 9821786) | patch
xhci: fix finding correct bus_state structure for USB 3.1 hosts
authorMathias Nyman <mathias.nyman@linux.intel.com>
Mon, 18 Sep 2017 14:39:13 +0000 (17:39 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 18 Sep 2017 15:10:41 +0000 (17:10 +0200)
commit5a838a13c9b4e5dd188b7a6eaeb894e9358ead0c
tree31917e8136c040a51ed8ee1bea687af57d0d3e9etree
parent9821786d7c90eee2f6852261893d9703801aae47commit | diff
xhci: fix finding correct bus_state structure for USB 3.1 hosts

xhci driver keeps a bus_state structure for each hcd (usb2 and usb3)

The structure is picked based on hcd speed, but driver only compared
for HCD_USB3 speed, returning the wrong bus_state for HCD_USB31 hosts.

This caused null pointer dereference errors in bus_resume function.

Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci.h diff | blob | history
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