ALSA: sound/core: use memdup_user()

[pandora-kernel.git] / sound / core / seq / seq_compat.c

diff --git a/sound/core/seq/seq_compat.c b/sound/core/seq/seq_compat.c
index 38693f4..c956fe4 100644 (file)
--- a/sound/core/seq/seq_compat.c
+++ b/sound/core/seq/seq_compat.c
@@ -48,12 +48,11 @@ static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned
        struct snd_seq_port_info *data;
        mm_segment_t fs;
 
-       data = kmalloc(sizeof(*data), GFP_KERNEL);
-       if (! data)
-               return -ENOMEM;
+       data = memdup_user(data32, sizeof(*data32));
+       if (IS_ERR(data))
+               return PTR_ERR(data);
 
-       if (copy_from_user(data, data32, sizeof(*data32)) ||
-           get_user(data->flags, &data32->flags) ||
+       if (get_user(data->flags, &data32->flags) ||
            get_user(data->time_queue, &data32->time_queue))
                goto error;
        data->kernel = NULL;