Description: USB: yurex: Fix protection fault after device removal
References:
 https://syzkaller.appspot.com/bug?id=f0b1f2952022c75394c0eef2afeb17af90f9227e
Notes:
Bugs:
upstream: released (5.1) [ef61eb43ada6c1d6b94668f0f514e4c268093ff3]
4.19-upstream-stable: released (4.19.41) [9f632afe4f3989d77fdbf8ac6a015d6beb03ccb9]
4.9-upstream-stable: released (4.9.174) [965cc8406cf38d6e535b264f5906211c3e5e33b7]
3.16-upstream-stable: released (3.16.72) [5133454a1f3a7f22412ab083f7ff53f822d50f49]
sid: released (5.2.6-1)
4.19-buster-security: released (4.19.67-1)
4.9-stretch-security: released (4.9.184-1)
3.16-jessie-security: released (3.16.72-1)