arcnet: com20020-isa: Mark expected switch fall-throughs

Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/net/arcnet/com20020-isa.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]:  => 205:13, 203:10, 209:7, 201:11,
207:8

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c
index 28510e3..cd27fdc 100644 (file)
--- a/drivers/net/arcnet/com20020-isa.c
+++ b/drivers/net/arcnet/com20020-isa.c
@@ -197,16 +197,22 @@ static int __init com20020isa_setup(char *s)
        switch (ints[0]) {
        default:                /* ERROR */
                pr_info("Too many arguments\n");
+               /* Fall through */
        case 6:         /* Timeout */
                timeout = ints[6];
+               /* Fall through */
        case 5:         /* CKP value */
                clockp = ints[5];
+               /* Fall through */
        case 4:         /* Backplane flag */
                backplane = ints[4];
+               /* Fall through */
        case 3:         /* Node ID */
                node = ints[3];
+               /* Fall through */
        case 2:         /* IRQ */
                irq = ints[2];
+               /* Fall through */
        case 1:         /* IO address */
                io = ints[1];
        }