ALSA: seq: Fix snd_seq_call_port_info_ioctl in compat mode

[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 81f7c10..6517590 100644 (file)
--- a/sound/core/seq/seq_compat.c
+++ b/sound/core/seq/seq_compat.c
@@ -49,11 +49,12 @@ 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 = memdup_user(data32, sizeof(*data32));
-       if (IS_ERR(data))
-               return PTR_ERR(data);
+       data = kmalloc(sizeof(*data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
-       if (get_user(data->flags, &data32->flags) ||
+       if (copy_from_user(data, data32, sizeof(*data32)) ||
+           get_user(data->flags, &data32->flags) ||
            get_user(data->time_queue, &data32->time_queue))
                goto error;
        data->kernel = NULL;