tree f05501c670fd9919779b6759e2ff816f574186fe
parent 6edebdee48729ab4ba564bbfcb8dbf6a6cd68a39
author Chandra Seetharaman <sekharan@us.ibm.com> 1226619540 +0000
committer Alasdair G Kergon <agk@redhat.com> 1226619540 +0000

dm mpath: avoid attempting to activate null path

Path activation code is called even when the pgpath is NULL. This could
lead to a panic in activate_path(). Such a panic is seen in -rt kernel.

This problem has been there before the pg_init() was moved to a
workqueue.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>