ALSA: pcm: oss: Use struct_size() helper
authorGustavo A. R. Silva <gustavo@embeddedor.com>
Thu, 23 May 2019 20:29:17 +0000 (15:29 -0500)
committerTakashi Iwai <tiwai@suse.de>
Fri, 24 May 2019 05:59:19 +0000 (07:59 +0200)
commit92bfa664ae133d13a3496f71f5c7c7f4d4827a88
tree43cfb2db02e4df87955b5e9f2c8e94df51b712fc
parent947b437e1263c81bb5d30a84f1a4a35dbb9f6b78
ALSA: pcm: oss: Use struct_size() helper

Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes, in particular in the
context in which this code is being used.

So, replace the following form:

sizeof(struct rate_priv) + src_format->channels * sizeof(struct rate_channel)

with:

struct_size(data, channels, src_format->channels)

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/oss/rate.c