[RFC PATCH v3 39/78] hw/scsi: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 hw/scsi/esp.c       | 2 +-
 hw/scsi/megasas.c   | 2 +-
 hw/scsi/scsi-bus.c  | 4 ++--
 hw/scsi/scsi-disk.c | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 9b11d8c573..d6c8298f51 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -1025,7 +1025,7 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t 
val)
     switch (saddr) {
     case ESP_TCHI:
         s->tchi_written = true;
-        /* fall through */
+        fallthrough;
     case ESP_TCLO:
     case ESP_TCMID:
         s->rregs[ESP_RSTAT] &= ~STAT_TC;
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 32c70c9e99..54e4d7c8b6 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -2151,7 +2151,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
     case MFI_IQPL:
         trace_megasas_mmio_writel("MFI_IQPL", val);
         /* Received low 32 bits of a 64 bit MFI frame address */
-        /* Fallthrough */
+        fallthrough;
     case MFI_IQP:
         if (addr == MFI_IQP) {
             trace_megasas_mmio_writel("MFI_IQP", val);
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index fc4b77fdb0..a1c298a92c 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -1078,7 +1078,7 @@ static int scsi_req_xfer(SCSICommand *cmd, SCSIDevice 
*dev, uint8_t *buf)
         if (cmd->xfer == 0) {
             cmd->xfer = 256;
         }
-        /* fall through */
+        fallthrough;
     case WRITE_10:
     case WRITE_VERIFY_10:
     case WRITE_12:
@@ -1093,7 +1093,7 @@ static int scsi_req_xfer(SCSICommand *cmd, SCSIDevice 
*dev, uint8_t *buf)
         if (cmd->xfer == 0) {
             cmd->xfer = 256;
         }
-        /* fall through */
+        fallthrough;
     case READ_10:
     case READ_12:
     case READ_16:
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 6691f5edb8..6564ca638c 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2302,7 +2302,7 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, 
uint8_t *buf)
         trace_scsi_disk_dma_command_WRITE(
                 (command & 0xe) == 0xe ? "And Verify " : "",
                 r->req.cmd.lba, len);
-        /* fall through */
+        fallthrough;
     case VERIFY_10:
     case VERIFY_12:
     case VERIFY_16:
-- 
2.39.2