[PATCH] ACPI: SPCR: Mark expected switch fall-through in acpi_parse_spcr

[Gustavo A. R. Silva]

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

Addresses-Coverity-ID: 1465078
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
This code was compiled with GCC 7.3.0

 drivers/acpi/spcr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index 89e97d2..9d52743 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -115,6 +115,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool 
enable_console)
                        table->serial_port.access_width))) {
                default:
                        pr_err("Unexpected SPCR Access Width.  Defaulting to 
byte size\n");
+                       /* fall through */
                case 8:
                        iotype = "mmio";
                        break;
-- 
2.7.4