Description: scsi: target: Fix XCOPY NAA identifier lookup
References:
 https://www.openwall.com/lists/oss-security/2021/01/12/12
Notes:
 carnil> Introduced with cbf031f425fd ("target: Add support for
 carnil> EXTENDED_COPY copy offload emulation") in 3.12-rc1.
Bugs:
upstream: released (5.11-rc4) [2896c93811e39d63a4d9b63ccf12a8fbc226e5e4]
5.10-upstream-stable: released (5.10.7) [6f1e88527c1869de08632efa2cc796e0131850dc]
4.19-upstream-stable: released (4.19.167) [fff1180d24e68d697f98642d71444316036a81ff]
4.9-upstream-stable: released (4.9.252) [966e6d0786e64f4065b76116d7e9411c01761d30]
sid: released (5.10.9-1)
4.19-buster-security: released (4.19.171-1)
4.9-stretch-security: released (4.9.258-1)