kernel - Disallow dsioctl when no media is present
authorMatthew Dillon <dillon@apollo.backplane.com>
Fri, 30 Apr 2010 18:06:56 +0000 (11:06 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Fri, 30 Apr 2010 18:06:56 +0000 (11:06 -0700)
commit0a540608ca71a822c1f78cdd2a79dbff452f47ba
treefe599c904fe0c3530f9285fbd2b2e9045205a7c7
parent2b78f7f6756033a2cbb328f3607cd3755ca3f997
kernel - Disallow dsioctl when no media is present

* Attempt to fix a panic which can occur when attempts are made to
  call ioctl() via a slice/partition on removable drives with no media.
sys/kern/subr_diskslice.c