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scsi: aic7xxx: mark expected switch fall-throughs 

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

Notice that, in some cases, I replaced "FALLTHROUGH" with a "fall through"
annotation and then placed it at the bottom of the corresponding switch
case, which is what GCC is expecting to find.

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 11:41:47 -06:00
parent 74f79099ef
commit e2e801644e
1 changed files with 9 additions and 3 deletions
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12
drivers/scsi/aic7xxx/aic7xxx_core.c
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@ -4920,24 +4920,30 @@ ahc_fini_scbdata(struct ahc_softc *ahc)
}
ahc_dma_tag_destroy(ahc, scb_data->sg_dmat);
}
/* fall through */
case 6:
ahc_dmamap_unload(ahc, scb_data->sense_dmat,
scb_data->sense_dmamap);
/* fall through */
case 5:
ahc_dmamem_free(ahc, scb_data->sense_dmat, scb_data->sense,
scb_data->sense_dmamap);
ahc_dmamap_destroy(ahc, scb_data->sense_dmat,
scb_data->sense_dmamap);
/* fall through */
case 4:
ahc_dma_tag_destroy(ahc, scb_data->sense_dmat);
/* fall through */
case 3:
ahc_dmamap_unload(ahc, scb_data->hscb_dmat,
scb_data->hscb_dmamap);
/* fall through */
case 2:
ahc_dmamem_free(ahc, scb_data->hscb_dmat, scb_data->hscbs,
scb_data->hscb_dmamap);
ahc_dmamap_destroy(ahc, scb_data->hscb_dmat,
scb_data->hscb_dmamap);
/* fall through */
case 1:
ahc_dma_tag_destroy(ahc, scb_data->hscb_dmat);
break;
@ -6002,8 +6008,8 @@ ahc_search_qinfifo(struct ahc_softc *ahc, int target, char channel,
if ((scb->flags & SCB_ACTIVE) == 0)
printk("Inactive SCB in Waiting List\n");
ahc_done(ahc, scb);
/* FALLTHROUGH */
}
/* fall through */
case SEARCH_REMOVE:
next = ahc_rem_wscb(ahc, next, prev);
break;
@ -7008,8 +7014,8 @@ ahc_download_instr(struct ahc_softc *ahc, u_int instrptr, uint8_t *dconsts)
}
address -= address_offset;
fmt3_ins->address = address;
/* FALLTHROUGH */
}
/* fall through */
case AIC_OP_OR:
case AIC_OP_AND:
case AIC_OP_XOR:
@ -7035,7 +7041,7 @@ ahc_download_instr(struct ahc_softc *ahc, u_int instrptr, uint8_t *dconsts)
fmt1_ins->opcode = AIC_OP_AND;
fmt1_ins->immediate = 0xff;
}
/* FALLTHROUGH */
/* fall through */
case AIC_OP_ROL:
if ((ahc->features & AHC_ULTRA2) != 0) {
int i, count;