ALSA: timer: Fix broken compat timer user status ioctl

[ Upstream commit 3a72494ac2a3bd229db941d51e7efe2f6ccd947b ]

The timer user status compat ioctl returned the bogus struct used for
64bit architectures instead of the 32bit one.  This patch addresses
it to return the proper struct.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index e05802a..8e7eddf 100644 (file)
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -70,13 +70,14 @@ static int snd_timer_user_status_compat(struct file *file,
                                        struct snd_timer_status32 __user *_status)
 {
        struct snd_timer_user *tu;
-       struct snd_timer_status status;
+       struct snd_timer_status32 status;
        
        tu = file->private_data;
        if (snd_BUG_ON(!tu->timeri))
                return -ENXIO;
        memset(&status, 0, sizeof(status));
-       status.tstamp = tu->tstamp;
+       status.tstamp.tv_sec = tu->tstamp.tv_sec;
+       status.tstamp.tv_nsec = tu->tstamp.tv_nsec;
        status.resolution = snd_timer_resolution(tu->timeri);
        status.lost = tu->timeri->lost;
        status.overrun = tu->overrun;