In case the codec driver did not provide a read/write function, codec->driver->read|write will be NULL. Ensure that we use the one specified in codec->read|write to avoid oopsing when we access the debugfs entries.

Signed-off-by: Dimitris Papastamos dp@opensource.wolfsonmicro.com --- sound/soc/soc-core.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 392d336..078f9df 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -117,7 +117,7 @@ static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf) * the register being volatile and the device being * powered off. */ - ret = codec->driver->read(codec, i); + ret = codec->read(codec, i); if (ret >= 0) count += snprintf(buf + count, PAGE_SIZE - count, @@ -228,7 +228,7 @@ static ssize_t codec_reg_write_file(struct file *file, start++; if (strict_strtoul(start, 16, &value)) return -EINVAL; - codec->driver->write(codec, reg, value); + codec->write(codec, reg, value); return buf_size; }