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Fix incorrect check for TSIH wrap around

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4606 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2012-11-07 22:03:07 +00:00
parent 16a97e10d1
commit 54ffcc75c8
1 changed files with 21 additions and 3 deletions
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24
iscsi-scst/usr/session.c
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@@ -95,6 +95,24 @@ struct session *session_find_id(u32 tid, u64 sid)
return NULL;
}
static bool session_id_exists(u32 tid, u64 sid, struct session *exclude)
{
struct session *session;
struct target *target;
if (!(target = target_find_by_id(tid)))
return false;
log_debug(1, "Searching for sid %#" PRIx64, sid);
list_for_each_entry(session, &target->sessions_list, slist) {
if ((session->sid.id64 == sid) && (session != exclude))
return true;
}
return false;
}
int session_create(struct connection *conn)
{
/* We are single threaded, so it doesn't need any protection */
@@ -123,10 +141,10 @@ int session_create(struct connection *conn)
}
while (1) {
struct session *s;
bool e;
s = session_find_id(conn->tid, session->sid.id64);
if (s != NULL)
e = session_id_exists(conn->tid, session->sid.id64, session);
if (!e)
break;
log_debug(1, "tsih %x already exists", session->sid.id.tsih);