Skip to content
Commit 802dcafc authored by Mathias Nyman's avatar Mathias Nyman Committed by Greg Kroah-Hartman
Browse files

xhci: Fix null pointer dereference in resume if xhci has only one roothub



In the re-init path xhci_resume() passes 'hcd->primary_hcd' to hci_init(),
however this field isn't initialized by __usb_create_hcd() for a HCD
without secondary controller.

xhci_resume() is called once per xHC device, not per hcd, so the extra
checking for primary hcd can be removed.

Fixes: e0fe9869 ("usb: host: xhci-plat: prepare operation w/o shared hcd")
Reported-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Tested-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220610115338.863152-2-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8bd6b8c4
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment