From mboxrd@z Thu Jan 1 00:00:00 1970 From: Spencer Baugh Subject: [PATCH] target: respond to unknown initiators with sensible REPORT LUNS list length Date: Wed, 22 Jul 2015 15:08:17 -0700 Message-ID: <1437602898-15229-3-git-send-email-sbaugh@catern.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: "Nicholas A. Bellinger" , "open list:TARGET SUBSYSTEM" , "open list:TARGET SUBSYSTEM" , open list Cc: Joern Engel , Spencer Baugh , Roland Dreier , Spencer Baugh List-Id: linux-scsi@vger.kernel.org From: Roland Dreier Solaris seems to go beserk if we respond to REPORT LUNS with a LUN LIST LENGTH of 0. Signed-off-by: Roland Dreier Signed-off-by: Spencer Baugh --- drivers/target/target_core_spc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 87d4adb..d8a32e5 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -1241,6 +1241,13 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * See SPC3 r07, page 159. */ done: + /* + * If no real LUNs are accessible, report an allocation length + * of 1 LUN to account for virtual LUN 0. + */ + if (lun_count == 0) + lun_count = 1; + lun_count *= 8; buf[0] = ((lun_count >> 24) & 0xff); buf[1] = ((lun_count >> 16) & 0xff); -- 2.5.0.rc3