scsi: ppa: mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 114988
Addresses-Coverity-ID: 114989
Addresses-Coverity-ID: 114990
Addresses-Coverity-ID: 114991
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index 7be5823ab036..ee86a0c62dbf 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -724,6 +724,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                         return 0;
                 }
                 cmd->SCp.phase++;
+                /* fall through */
 
         case 3:         /* Phase 3 - Ready to accept a command */
                 w_ctr(ppb, 0x0c);
@@ -733,6 +734,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                 if (!ppa_send_command(cmd))
                         return 0;
                 cmd->SCp.phase++;
+                /* fall through */
 
         case 4:         /* Phase 4 - Setup scatter/gather buffers */
                 if (scsi_bufflen(cmd)) {
@@ -746,6 +748,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                 }
                 cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
                 cmd->SCp.phase++;
+                /* fall through */
 
         case 5:         /* Phase 5 - Data transfer stage */
                 w_ctr(ppb, 0x0c);
@@ -758,6 +761,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                 if (retv == 0)
                         return 1;
                 cmd->SCp.phase++;
+                /* fall through */
 
         case 6:         /* Phase 6 - Read status/message */
                 cmd->result = DID_OK << 16;