mtd: cfi_cmdset_0020: Mark expected switch fall-throughs

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

Addresses-Coverity-ID: 114857 ("Missing break in switch")
Addresses-Coverity-ID: 114858 ("Missing break in switch")
Addresses-Coverity-ID: 114859 ("Missing break in switch")
Addresses-Coverity-ID: 114860 ("Missing break in switch")
Addresses-Coverity-ID: 114861 ("Missing break in switch")
Addresses-Coverity-ID: 114862 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 35aa72b..e752067 100644 (file)
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -324,6 +324,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
        case FL_JEDEC_QUERY:
                map_write(map, CMD(0x70), cmd_addr);
                chip->state = FL_STATUS;
+               /* Fall through */
 
        case FL_STATUS:
                status = map_read(map, cmd_addr);
@@ -461,6 +462,7 @@ static int do_write_buffer(struct map_info *map, struct flchip *chip,
 #ifdef DEBUG_CFI_FEATURES
        printk("%s: 1 status[%x]\n", __func__, map_read(map, cmd_adr));
 #endif
+               /* Fall through */
 
        case FL_STATUS:
                status = map_read(map, cmd_adr);
@@ -754,6 +756,7 @@ retry:
        case FL_READY:
                map_write(map, CMD(0x70), adr);
                chip->state = FL_STATUS;
+               /* Fall through */
 
        case FL_STATUS:
                status = map_read(map, adr);
@@ -995,6 +998,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
                         * as the whole point is that nobody can do anything
                         * with the chip now anyway.
                         */
+                       /* Fall through */
                case FL_SYNCING:
                        mutex_unlock(&chip->mutex);
                        break;
@@ -1050,6 +1054,7 @@ retry:
        case FL_READY:
                map_write(map, CMD(0x70), adr);
                chip->state = FL_STATUS;
+               /* Fall through */
 
        case FL_STATUS:
                status = map_read(map, adr);
@@ -1196,6 +1201,7 @@ retry:
        case FL_READY:
                map_write(map, CMD(0x70), adr);
                chip->state = FL_STATUS;
+               /* Fall through */
 
        case FL_STATUS:
                status = map_read(map, adr);