[SCSI] qla4xxx: Restrict logout from boot target session using session id
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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 @@
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__);