iio: mma8452: mark expected switch fall-through

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

This patch fixes the following warning:

drivers/iio/accel/mma8452.c: In function ‘mma8452_probe’:
drivers/iio/accel/mma8452.c:1581:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
   if (ret == data->chip_info->chip_id)
      ^
drivers/iio/accel/mma8452.c:1584:2: note: here
  default:
  ^~~~~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

Notice that, in this particular case, the code comment is modified
in accordance with what GCC is expecting to find.

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Gustavo A. R. Silva 2019-02-11 16:23:18 -06:00 committed by Jonathan Cameron
parent faad0af162
commit cb57f2eb01

View File

@ -1580,7 +1580,7 @@ static int mma8452_probe(struct i2c_client *client,
case FXLS8471_DEVICE_ID: case FXLS8471_DEVICE_ID:
if (ret == data->chip_info->chip_id) if (ret == data->chip_info->chip_id)
break; break;
/* else: fall through */ /* fall through */
default: default:
ret = -ENODEV; ret = -ENODEV;
goto disable_regulators; goto disable_regulators;