Merge tag 'renesas-boards-cleanups2-for-v3.19' of git://git.kernel.org/pub/scm/linux...

[firefly-linux-kernel-4.4.55.git] / sound / core / pcm_compat.c

diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 102e8fd1d4505416ece1d42333cd8270b76cb395..2d957ba635578758172c9d66addc181a3ce438a9 100644 (file)
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -210,6 +210,8 @@ static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream,
        if (err < 0)
                return err;
 
+       if (clear_user(src, sizeof(*src)))
+               return -EFAULT;
        if (put_user(status.state, &src->state) ||
            compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) ||
            compat_put_timespec(&status.tstamp, &src->tstamp) ||