[PATCH][SRU][TRUSTY] Fix for CVE-2017-16532

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-16532.html

Clean cherry pick.

Alan Stern (1):
  usb: usbtest: fix NULL pointer dereference

 drivers/usb/misc/usbtest.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

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1.9.1