[RFC PATCH v2 58/78] hw/ppc: 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.pitsidiana...@linaro.org>
---
 hw/ppc/pnv_bmc.c      | 2 +-
 hw/ppc/spapr_events.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/pnv_bmc.c b/hw/ppc/pnv_bmc.c
index 99f1e8d7f9..9bff7d03cb 100644
--- a/hw/ppc/pnv_bmc.c
+++ b/hw/ppc/pnv_bmc.c
@@ -172,69 +172,69 @@ static int hiomap_erase(PnvPnor *pnor, uint32_t offset, 
uint32_t size)
 static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
                        RspBuffer *rsp)
 {
     PnvPnor *pnor = PNV_PNOR(object_property_get_link(OBJECT(ibs), "pnor",
                                                       &error_abort));
     uint32_t pnor_size = pnor->size;
     uint32_t pnor_addr = PNOR_SPI_OFFSET;
     bool readonly = false;
 
     rsp_buffer_push(rsp, cmd[2]);
     rsp_buffer_push(rsp, cmd[3]);
 
     switch (cmd[2]) {
     case HIOMAP_C_MARK_DIRTY:
     case HIOMAP_C_FLUSH:
     case HIOMAP_C_ACK:
         break;
 
     case HIOMAP_C_ERASE:
         if (hiomap_erase(pnor, blocks_to_bytes(cmd[5] << 8 | cmd[4]),
                         blocks_to_bytes(cmd[7] << 8 | cmd[6]))) {
             rsp_buffer_set_error(rsp, IPMI_CC_UNSPECIFIED);
         }
         break;
 
     case HIOMAP_C_GET_INFO:
         rsp_buffer_push(rsp, 2);  /* Version 2 */
         rsp_buffer_push(rsp, BLOCK_SHIFT); /* block size */
         rsp_buffer_push(rsp, 0);  /* Timeout */
         rsp_buffer_push(rsp, 0);  /* Timeout */
         break;
 
     case HIOMAP_C_GET_FLASH_INFO:
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_size) & 0xFF);
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_size) >> 8);
         rsp_buffer_push(rsp, 0x01);  /* erase size */
         rsp_buffer_push(rsp, 0x00);  /* erase size */
         break;
 
     case HIOMAP_C_CREATE_READ_WINDOW:
         readonly = true;
-        /* Fall through */
+        fallthrough;
 
     case HIOMAP_C_CREATE_WRITE_WINDOW:
         memory_region_set_readonly(&pnor->mmio, readonly);
         memory_region_set_enabled(&pnor->mmio, true);
 
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_addr) & 0xFF);
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_addr) >> 8);
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_size) & 0xFF);
         rsp_buffer_push(rsp, bytes_to_blocks(pnor_size) >> 8);
         rsp_buffer_push(rsp, 0x00); /* offset */
         rsp_buffer_push(rsp, 0x00); /* offset */
         break;
 
     case HIOMAP_C_CLOSE_WINDOW:
         memory_region_set_enabled(&pnor->mmio, false);
         break;
 
     case HIOMAP_C_DEVICE_NAME:
     case HIOMAP_C_RESET:
     case HIOMAP_C_LOCK:
     default:
         qemu_log_mask(LOG_GUEST_ERROR, "HIOMAP: unknown command %02X\n", 
cmd[2]);
         break;
     }
 }
 
 #define HIOMAP   0x5a
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index 4508e40814..9d51746daf 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -411,25 +411,26 @@ static const SpaprEventSource *
 rtas_event_log_to_source(SpaprMachineState *spapr, int log_type)
 {
     const SpaprEventSource *source;
 
     g_assert(spapr->event_sources);
 
     switch (log_type) {
     case RTAS_LOG_TYPE_HOTPLUG:
         source = spapr_event_sources_get_source(spapr->event_sources,
                                                 EVENT_CLASS_HOT_PLUG);
         if (spapr_ovec_test(spapr->ov5_cas, OV5_HP_EVT)) {
             g_assert(source->enabled);
             break;
         }
         /* fall through back to epow for legacy hotplug interrupt source */
+        fallthrough;
     case RTAS_LOG_TYPE_EPOW:
         source = spapr_event_sources_get_source(spapr->event_sources,
                                                 EVENT_CLASS_EPOW);
         break;
     default:
         source = NULL;
     }
 
     return source;
 }
-- 
2.39.2