eeprom: at25: mark expected switch fall-throughs

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

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index 6a7d4a2..840afb3 100644 (file)
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -94,8 +94,10 @@ static int at25_ee_read(void *priv, unsigned int offset,
        switch (at25->addrlen) {
        default:        /* case 3 */
                *cp++ = offset >> 16;
+               /* fall through */
        case 2:
                *cp++ = offset >> 8;
+               /* fall through */
        case 1:
        case 0: /* can't happen: for better codegen */
                *cp++ = offset >> 0;
@@ -180,8 +182,10 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count)
                switch (at25->addrlen) {
                default:        /* case 3 */
                        *cp++ = offset >> 16;
+                       /* fall through */
                case 2:
                        *cp++ = offset >> 8;
+                       /* fall through */
                case 1:
                case 0: /* can't happen: for better codegen */
                        *cp++ = offset >> 0;