linux-kernel - [PATCH 3.13 097/149] iscsi-target: Fix iscsit_get_tpg_from_np tpg

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Message-Id: <20140321000440.319138691@linuxfoundation.org>
Date:	Thu, 20 Mar 2014 17:04:20 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: [PATCH 3.13 097/149] iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug

3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicholas Bellinger <nab@...ux-iscsi.org>

commit a2a99cea5ec7c1e47825559f0e75a4efbcf8aee3 upstream.

This patch fixes a bug in iscsit_get_tpg_from_np() where the
tpg->tpg_state sanity check was looking for TPG_STATE_FREE,
instead of != TPG_STATE_ACTIVE.

The latter is expected during a normal TPG shutdown once the
tpg_state goes into TPG_STATE_INACTIVE in order to reject any
new incoming login attempts.

Signed-off-by: Nicholas Bellinger <nab@...ux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/target/iscsi/iscsi_target_tpg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -137,7 +137,7 @@ struct iscsi_portal_group *iscsit_get_tp
 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
 
 		spin_lock(&tpg->tpg_state_lock);
-		if (tpg->tpg_state == TPG_STATE_FREE) {
+		if (tpg->tpg_state != TPG_STATE_ACTIVE) {
 			spin_unlock(&tpg->tpg_state_lock);
 			continue;
 		}


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