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>

diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index 7be5823ab036b75a484fbf6641f24b17cc618f24..ee86a0c62dbfee63392c73ed7e0f355bd95e0c19 100644 (file)
--- 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;