scsi: osst: mark expected switch fall-throughs
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>
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@ -216,12 +216,14 @@ static void osst_analyze_sense(struct osst_request *SRpnt, struct st_cmdstatus *
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switch (sense[0] & 0x7f) {
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case 0x71:
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s->deferred = 1;
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/* fall through */
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case 0x70:
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s->fixed_format = 1;
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s->flags = sense[2] & 0xe0;
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break;
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case 0x73:
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s->deferred = 1;
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/* fall through */
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case 0x72:
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s->fixed_format = 0;
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ucp = scsi_sense_desc_find(sense, SCSI_SENSE_BUFFERSIZE, 4);
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@ -591,6 +593,7 @@ static void osst_init_aux(struct osst_tape * STp, int frame_type, int frame_seq_
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dat->dat_list[0].flags = frame_type==OS_FRAME_TYPE_MARKER?
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OS_DAT_FLAGS_MARK:OS_DAT_FLAGS_DATA;
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dat->dat_list[0].reserved = 0;
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/* fall through */
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case OS_FRAME_TYPE_EOD:
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aux->update_frame_cntr = htonl(0);
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par->partition_num = OS_DATA_PARTITION;
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@ -4086,6 +4089,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
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switch (cmd_in) {
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case MTFSFM:
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chg_eof = 0; /* Changed from the FSF after this */
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/* fall through */
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case MTFSF:
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if (STp->raw)
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return (-EIO);
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@ -4101,6 +4105,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
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case MTBSF:
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chg_eof = 0; /* Changed from the FSF after this */
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/* fall through */
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case MTBSFM:
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if (STp->raw)
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return (-EIO);
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@ -4312,6 +4317,7 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
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name, STp->block_size);
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return 0;
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}
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/* fall through */
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case MTSETDENSITY: /* Set tape density */
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case MTSETDRVBUFFER: /* Set drive buffering */
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case SET_DENS_AND_BLK: /* Set density and block size */
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