From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Mon, 29 Jul 2019 06:29:02 -0500
Subject: [PATCH] scsi: ibmvscsi_tgt: Mark expected switch fall-throughs
References: bsc#1156419,jsc#SLE-8281
Git-commit: 9fba647cfedc15e1ac80d396c116e106da947e55
Patch-mainline: v5.4-rc1
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings (Building: powerpc allyesconfig):
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_adapter_info':
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1582:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (connection_broken(vscsi))
^
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1584:2: note: here
default:
^~~~~~~
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_ping_response':
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2494:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
vscsi->flags |= CLIENT_FAILED;
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2495:2: note: here
case H_DROPPED:
^~~~
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2496:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
vscsi->flags |= RESPONSE_Q_DOWN;
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2497:2: note: here
case H_REMOTE_PARM:
^~~~
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Bryant G. Ly <bly@catalogicsoftware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 7f9535392a93..a929fe76102b 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -1581,6 +1581,7 @@ static long ibmvscsis_adapter_info(struct scsi_info *vscsi,
case H_PERMISSION:
if (connection_broken(vscsi))
flag_bits = (RESPONSE_Q_DOWN | CLIENT_FAILED);
+ /* Fall through */
default:
dev_err(&vscsi->dev, "adapter_info: h_copy_rdma to client failed, rc %ld\n",
rc);
@@ -2492,8 +2493,10 @@ static long ibmvscsis_ping_response(struct scsi_info *vscsi)
break;
case H_CLOSED:
vscsi->flags |= CLIENT_FAILED;
+ /* Fall through */
case H_DROPPED:
vscsi->flags |= RESPONSE_Q_DOWN;
+ /* Fall through */
case H_REMOTE_PARM:
dev_err(&vscsi->dev, "ping_response: h_send_crq failed, rc %ld\n",
rc);
--
2.16.4