From: Adheer Chandravanshi <adheer.chandravan...@qlogic.com>

Signed-off-by: Adheer Chandravanshi <adheer.chandravan...@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudh...@qlogic.com>
---
 drivers/scsi/qla4xxx/ql4_os.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5f7a2bc..f82efcb 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -5916,6 +5916,14 @@ static int qla4xxx_sysfs_ddb_logout_sid(struct 
iscsi_cls_session *cls_sess)
                goto exit_ddb_logout;
        }
 
+       if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
+               ql4_printk(KERN_ERR, ha,
+                          "%s: Logout from boot target entry is not 
permitted.\n",
+                          __func__);
+               ret = -EPERM;
+               goto exit_ddb_logout;
+       }
+
        options = LOGOUT_OPTION_CLOSE_SESSION;
        if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
                ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
-- 
1.8.2.GIT

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