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SubjectRe: [PATCH 05/41] scsi: aic7xxx: aic79xx: mark expected switch fall-through
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Hi,

Friendly ping:

Who can ack or review this patch, please?

Thanks
--
Gustavo

On 11/27/18 10:26 PM, Gustavo A. R. Silva wrote:
> 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.
>
> Addresses-Coverity-ID: 114961 ("Missing break in switch")
> Addresses-Coverity-ID: 114962 ("Missing break in switch")
> Addresses-Coverity-ID: 114963 ("Missing break in switch")
> Addresses-Coverity-ID: 114964 ("Missing break in switch")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
> drivers/scsi/aic7xxx/aic79xx_core.c | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
> index 9ee75c9a9aa1..7e5044bf05c0 100644
> --- a/drivers/scsi/aic7xxx/aic79xx_core.c
> +++ b/drivers/scsi/aic7xxx/aic79xx_core.c
> @@ -2285,6 +2285,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
> switch (scb->hscb->task_management) {
> case SIU_TASKMGMT_ABORT_TASK:
> tag = SCB_GET_TAG(scb);
> + /* fall through */
> case SIU_TASKMGMT_ABORT_TASK_SET:
> case SIU_TASKMGMT_CLEAR_TASK_SET:
> lun = scb->hscb->lun;
> @@ -2295,6 +2296,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
> break;
> case SIU_TASKMGMT_LUN_RESET:
> lun = scb->hscb->lun;
> + /* fall through */
> case SIU_TASKMGMT_TARGET_RESET:
> {
> struct ahd_devinfo devinfo;
> @@ -6550,8 +6552,8 @@ ahd_fini_scbdata(struct ahd_softc *ahd)
> kfree(sns_map);
> }
> ahd_dma_tag_destroy(ahd, scb_data->sense_dmat);
> - /* FALLTHROUGH */
> }
> + /* fall through */
> case 6:
> {
> struct map_node *sg_map;
> @@ -6565,8 +6567,8 @@ ahd_fini_scbdata(struct ahd_softc *ahd)
> kfree(sg_map);
> }
> ahd_dma_tag_destroy(ahd, scb_data->sg_dmat);
> - /* FALLTHROUGH */
> }
> + /* fall through */
> case 5:
> {
> struct map_node *hscb_map;
> @@ -7209,6 +7211,7 @@ ahd_init(struct ahd_softc *ahd)
> case FLX_CSTAT_OVER:
> case FLX_CSTAT_UNDER:
> warn_user++;
> + /* fall through */
> case FLX_CSTAT_INVALID:
> case FLX_CSTAT_OKAY:
> if (warn_user == 0 && bootverbose == 0)
> @@ -8413,7 +8416,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel,
> if ((scb->flags & SCB_ACTIVE) == 0)
> printk("Inactive SCB in Waiting List\n");
> ahd_done_with_status(ahd, scb, status);
> - /* FALLTHROUGH */
> + /* fall through */
> case SEARCH_REMOVE:
> ahd_rem_wscb(ahd, scbid, prev, next, tid);
> *list_tail = prev;
> @@ -8422,6 +8425,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel,
> break;
> case SEARCH_PRINT:
> printk("0x%x ", scbid);
> + /* fall through */
> case SEARCH_COUNT:
> prev = scbid;
> break;
> @@ -9547,8 +9551,8 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts)
> {
> fmt3_ins = &instr.format3;
> fmt3_ins->address = ahd_resolve_seqaddr(ahd, fmt3_ins->address);
> - /* FALLTHROUGH */
> }
> + /* fall through */
> case AIC_OP_OR:
> case AIC_OP_AND:
> case AIC_OP_XOR:
> @@ -9559,7 +9563,7 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts)
> fmt1_ins->immediate = dconsts[fmt1_ins->immediate];
> }
> fmt1_ins->parity = 0;
> - /* FALLTHROUGH */
> + /* fall through */
> case AIC_OP_ROL:
> {
> int i, count;
>

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