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scsi: ppa: mark expected switch fall-throughs

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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>
This commit is contained in:
Gustavo A. R. Silva 2017-11-08 11:17:39 -06:00 committed by Martin K. Petersen
parent f35cb48ef8
commit 2c7982364e
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/ppa.c
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@ -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;