From 26027f4243c1a23399b85a3cff9b0b89e405be59 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Mon, 29 Jul 2019 06:15:50 -0500 Subject: [PATCH] arcnet: arc-rimi: Mark expected switch fall-throughs Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: powerpc allyesconfig): drivers/net/arcnet/arc-rimi.c: In function 'arcrimi_setup': include/linux/printk.h:304:2: warning: this statement may fall through [-Wimplicit-fallthrough=] printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/arcnet/arc-rimi.c:365:3: note: in expansion of macro 'pr_err' pr_err("Too many arguments\n"); ^~~~~~ drivers/net/arcnet/arc-rimi.c:366:2: note: here case 3: /* Node ID */ ^~~~ drivers/net/arcnet/arc-rimi.c:367:8: warning: this statement may fall through [-Wimplicit-fallthrough=] node = ints[3]; ~~~~~^~~~~~~~~ drivers/net/arcnet/arc-rimi.c:368:2: note: here case 2: /* IRQ */ ^~~~ drivers/net/arcnet/arc-rimi.c:369:7: warning: this statement may fall through [-Wimplicit-fallthrough=] irq = ints[2]; ~~~~^~~~~~~~~ drivers/net/arcnet/arc-rimi.c:370:2: note: here case 1: /* IO address */ ^~~~ Reported-by: Stephen Rothwell Signed-off-by: Gustavo A. R. Silva Reviewed-by: Kees Cook Signed-off-by: David S. Miller --- drivers/net/arcnet/arc-rimi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c index 11c5bad95226..14a5fb378145 100644 --- a/drivers/net/arcnet/arc-rimi.c +++ b/drivers/net/arcnet/arc-rimi.c @@ -363,10 +363,13 @@ static int __init arcrimi_setup(char *s) switch (ints[0]) { default: /* ERROR */ pr_err("Too many arguments\n"); + /* 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]; }