Re: [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@xxxxxxxxxxxxxx>
---
  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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