From: Takashi Iwai <tiwai@suse.de>
Date: Sun, 28 Feb 2016 10:36:14 +0000 (+0100)
Subject: ALSA: timer: Fix broken compat timer user status ioctl
X-Git-Tag: v4.5-rc7~10^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3a72494ac2a3bd229db941d51e7efe2f6ccd947b;p=platform%2Fkernel%2Flinux-exynos.git

ALSA: timer: Fix broken compat timer user status ioctl

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>
---

diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index e05802a..8e7eddf 100644
--- 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;