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Take 2 of fixing the race, which could lead to BUG() in scst_mgmt_thread()

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@45 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2006-12-12 09:18:04 +00:00
parent 19061ed988
commit e63a0dcbd0
1 changed files with 3 additions and 5 deletions
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8
scst/src/scst_targ.c
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@@ -3861,17 +3861,15 @@ restart:
list_for_each_entry(sess, &scst_sess_mgmt_list,
sess_mgmt_list_entry)
{
int shutting_down;
TRACE_DBG("Removing sess %p from scst_sess_mgmt_list",
sess);
list_del(&sess->sess_mgmt_list_entry);
shutting_down = sess->shutting_down;
spin_unlock_irq(&scst_mgmt_lock);
if (shutting_down) {
if (sess->init_phase == SCST_SESS_IPH_INITING) {
scst_init_session(sess);
} else if (sess->shutting_down) {
BUG_ON(atomic_read(&sess->refcnt) != 0);
scst_free_session_callback(sess);
} else if (sess->init_phase == SCST_SESS_IPH_INITING) {
scst_init_session(sess);
} else {
PRINT_ERROR_PR("session %p is in "
"scst_sess_mgmt_list, but in unknown "