ALSA: compress: Use kzalloc() for ioctls writing back data

Like the previous patch by Dan, we should clear the data to be
returned from certain compress ioctls, namely,
snd_compr_get_codec_caps() and snd_compr_get_params().
This time, we can simply replace kmalloc() with kzalloc().

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 664c693..a0bc47f 100644 (file)
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -428,7 +428,7 @@ snd_compr_get_codec_caps(struct snd_compr_stream *stream, unsigned long arg)
        if (!stream->ops->get_codec_caps)
                return -ENXIO;
 
-       caps = kmalloc(sizeof(*caps), GFP_KERNEL);
+       caps = kzalloc(sizeof(*caps), GFP_KERNEL);
        if (!caps)
                return -ENOMEM;
 
@@ -545,7 +545,7 @@ snd_compr_get_params(struct snd_compr_stream *stream, unsigned long arg)
        if (!stream->ops->get_params)
                return -EBADFD;
 
-       params = kmalloc(sizeof(*params), GFP_KERNEL);
+       params = kzalloc(sizeof(*params), GFP_KERNEL);
        if (!params)
                return -ENOMEM;
        retval = stream->ops->get_params(stream, params);