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

Notice that, in this particular case, I replaced "Fall thru" with a
"Fall through" annotation and added a dash 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.

Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c 
b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index c5e6bccb0895..8f37ad83be9a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -3453,7 +3453,7 @@ complete_cmd_fusion(struct megasas_instance *instance, 
u32 MSIxIndex)
                                
atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]);
                                cmd_fusion->scmd->SCp.Status &= 
~MEGASAS_LOAD_BALANCE_FLAG;
                        }
-                       //Fall thru and complete IO
+                       /* Fall through - and complete IO */
                case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */
                        atomic_dec(&instance->fw_outstanding);
                        if (cmd_fusion->r1_alt_dev_handle == 
MR_DEVHANDLE_INVALID) {
-- 
2.17.1

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