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scsi: lpfc: lpfc_sli: Mark expected switch fall-throughs 

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

Notice that, in this particular case, I replaced "Drop thru" and "Fall
Thru" with "fall through" annotations, which is what GCC is expecting to
find.

Also, in some cases a dash is added as a token in order to separate the
"fall through" annotation from the rest of the comment on the same line,
which is what GCC is expecting to find.

Addresses-Coverity-ID: 114979 ("Missing break in switch")
Addresses-Coverity-ID: 114980 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Gustavo A. R. Silva 2018-11-27 22:32:18 -06:00 committed by Martin K. Petersen
parent 12de280b36
commit 5bd5f66cf1
1 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/scsi/lpfc/lpfc_sli.c
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@ -9408,6 +9408,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
cmnd = CMD_XMIT_SEQUENCE64_CR;
if (phba->link_flag & LS_LOOPBACK_MODE)
bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1);
/* fall through */
case CMD_XMIT_SEQUENCE64_CR:
/* word3 iocb=io_tag32 wqe=reserved */
wqe->xmit_sequence.rsvd3 = 0;
@ -13529,6 +13530,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
case FC_STATUS_RQ_BUF_LEN_EXCEEDED:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2537 Receive Frame Truncated!!\n");
/* fall through */
case FC_STATUS_RQ_SUCCESS:
spin_lock_irqsave(&phba->hbalock, iflags);
lpfc_sli4_rq_release(hrq, drq);
@ -13938,7 +13940,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
case FC_STATUS_RQ_BUF_LEN_EXCEEDED:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"6126 Receive Frame Truncated!!\n");
/* Drop thru */
/* fall through */
case FC_STATUS_RQ_SUCCESS:
spin_lock_irqsave(&phba->hbalock, iflags);
lpfc_sli4_rq_release(hrq, drq);
@ -14850,7 +14852,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax)
eq->entry_count);
if (eq->entry_count < 256)
return -EINVAL;
/* otherwise default to smallest count (drop through) */
/* fall through - otherwise default to smallest count */
case 256:
bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
LPFC_EQ_CNT_256);
@ -14981,7 +14983,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
LPFC_CQ_CNT_WORD7);
break;
}
/* Fall Thru */
/* fall through */
default:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0361 Unsupported CQ count: "
@ -14992,7 +14994,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
status = -EINVAL;
goto out;
}
/* otherwise default to smallest count (drop through) */
/* fall through - otherwise default to smallest count */
case 256:
bf_set(lpfc_cq_context_count, &cq_create->u.request.context,
LPFC_CQ_CNT_256);
@ -15152,7 +15154,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
LPFC_CQ_CNT_WORD7);
break;
}
/* Fall Thru */
/* fall through */
default:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"3118 Bad CQ count. (%d)\n",
@ -15161,7 +15163,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
status = -EINVAL;
goto out;
}
/* otherwise default to smallest (drop thru) */
/* fall through - otherwise default to smallest */
case 256:
bf_set(lpfc_mbx_cq_create_set_cqe_cnt,
&cq_set->u.request, LPFC_CQ_CNT_256);
@ -15433,7 +15435,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
status = -EINVAL;
goto out;
}
/* otherwise default to smallest count (drop through) */
/* fall through - otherwise default to smallest count */
case 16:
bf_set(lpfc_mq_context_ring_size,
&mq_create_ext->u.request.context,
@ -15852,7 +15854,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
status = -EINVAL;
goto out;
}
/* otherwise default to smallest count (drop through) */
/* fall through - otherwise default to smallest count */
case 512:
bf_set(lpfc_rq_context_rqe_count,
&rq_create->u.request.context,
@ -15989,7 +15991,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
status = -EINVAL;
goto out;
}
/* otherwise default to smallest count (drop through) */
/* fall through - otherwise default to smallest count */
case 512:
bf_set(lpfc_rq_context_rqe_count,
&rq_create->u.request.context,