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scsi: osst: 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: 114983 ("Missing break in switch")
Addresses-Coverity-ID: 114984 ("Missing break in switch")
Addresses-Coverity-ID: 114985 ("Missing break in switch")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
This commit is contained in:
Gustavo A. R. Silva 2018-11-26 14:04:29 -06:00
parent 88216a783b
commit 6bb0497834
1 changed files with 6 additions and 0 deletions
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6
drivers/scsi/osst.c
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@ -216,12 +216,14 @@ static void osst_analyze_sense(struct osst_request *SRpnt, struct st_cmdstatus *
switch (sense[0] & 0x7f) {
case 0x71:
s->deferred = 1;
/* fall through */
case 0x70:
s->fixed_format = 1;
s->flags = sense[2] & 0xe0;
break;
case 0x73:
s->deferred = 1;
/* fall through */
case 0x72:
s->fixed_format = 0;
ucp = scsi_sense_desc_find(sense, SCSI_SENSE_BUFFERSIZE, 4);
@ -591,6 +593,7 @@ static void osst_init_aux(struct osst_tape * STp, int frame_type, int frame_seq_
dat->dat_list[0].flags = frame_type==OS_FRAME_TYPE_MARKER?
OS_DAT_FLAGS_MARK:OS_DAT_FLAGS_DATA;
dat->dat_list[0].reserved = 0;
/* fall through */
case OS_FRAME_TYPE_EOD:
aux->update_frame_cntr = htonl(0);
par->partition_num = OS_DATA_PARTITION;
@ -4086,6 +4089,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
switch (cmd_in) {
case MTFSFM:
chg_eof = 0; /* Changed from the FSF after this */
/* fall through */
case MTFSF:
if (STp->raw)
return (-EIO);
@ -4101,6 +4105,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
case MTBSF:
chg_eof = 0; /* Changed from the FSF after this */
/* fall through */
case MTBSFM:
if (STp->raw)
return (-EIO);
@ -4312,6 +4317,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
name, STp->block_size);
return 0;
}
/* fall through */
case MTSETDENSITY: /* Set tape density */
case MTSETDRVBUFFER: /* Set drive buffering */
case SET_DENS_AND_BLK: /* Set density and block size */