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s390/3215: add switch fall through comment for -Wimplicit-fallthrough

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Silence the following warning when built with -Wimplicit-fallthrough=3
enabled by default since 5.3-rc2:
drivers/s390/char/con3215.c: In function 'raw3215_irq':
drivers/s390/char/con3215.c:399:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
  399 |   if (dstat == 0x08)
      |      ^
drivers/s390/char/con3215.c:401:2: note: here
  401 |  case 0x04:
      |  ^~~~

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Vasily Gorbik 2019-07-29 01:01:21 +02:00
parent 90a93ff405
commit 943dd5fa70
1 changed files with 1 additions and 0 deletions
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drivers/s390/char/con3215.c
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@ -398,6 +398,7 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm,
}
if (dstat == 0x08)
break;
/* else, fall through */
case 0x04:
/* Device end interrupt. */
if ((raw = req->info) == NULL)