arcnet: com90io: Mark expected switch fall-throughs
authorGustavo A. R. Silva <gustavo@embeddedor.com>
Mon, 29 Jul 2019 11:13:20 +0000 (06:13 -0500)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Jul 2019 16:38:34 +0000 (09:38 -0700)
commit56f37a3fa2190732957882e10ec20adf83c6cb93
tree10e3f4a9fc435f346af97d512ab73a93796cce8f
parentf3eb2c334a6d3f5e704ecd0b150d5cfe6e3aca40
arcnet: com90io: 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/com90io.c: In function 'com90io_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/com90io.c:365:3: note: in expansion of macro 'pr_err'
   pr_err("Too many arguments\n");
   ^~~~~~
drivers/net/arcnet/com90io.c:366:2: note: here
  case 2:  /* IRQ */
  ^~~~
drivers/net/arcnet/com90io.c:367:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
   irq = ints[2];
   ~~~~^~~~~~~~~
drivers/net/arcnet/com90io.c:368:2: note: here
  case 1:  /* IO address */
  ^~~~

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
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>
drivers/net/arcnet/com90io.c