xhci: check virt_dev is valid before dereferencing it

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Check that the xhci_virt_dev structure that we dug out based
on a slot_id value from a command completion is valid before
dereferencing it.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210129130044.206855-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathias Nyman 2021-01-29 15:00:23 +02:00 • committed by Greg Kroah-Hartman

parent b1adc42d44

commit 03ed579d9d

1 changed files with 9 additions and 3 deletions

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drivers/usb/host/xhci-ring.c

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