[PATCH 4.2.y-ckt 32/98] ALSA: timer: Fix broken compat timer user status ioctl

Kamal Mostafa
2016-03-15T23:30:26Z

From: Takashi Iwai <tiwai@suse.de>

commit 3a72494ac2a3bd229db941d51e7efe2f6ccd947b upstream.

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.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
sound/core/timer_compat.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

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;
--
2.7.0