6689239 minor number encode decode goes wrong for larger instance number leading to panic in mutex_exit

[nore...@opensolaris.org]

Author: yl194034
Repository: /hg/onnv/onnv-gate
Latest revision: eb1684736e37cd27a13abcf3db584f319c46cfdb
Total changesets: 1
Log message:
6689239 minor number encode decode goes wrong for larger instance number 
leading to panic in mutex_exit

Files:
        update: usr/src/uts/common/io/scsi/targets/st.c
        update: usr/src/uts/common/sys/mtio.h