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authorIngo Molnar <mingo@kernel.org>2017-11-10 10:21:08 +0300
committerIngo Molnar <mingo@kernel.org>2017-11-10 10:21:08 +0300
commitb5cd3b51e247473e290be5cd09e77171e466cd89 (patch)
treeac8c87e1b38f61a4c879c574dc9373db41f3df01 /sound/core/timer_compat.c
parent376f3bcebdc999cc737d9052109cc33b573b3a8b (diff)
parent1c9dbd4615fd751e5e0b99807a3c7c8612e28e20 (diff)
downloadlinux-b5cd3b51e247473e290be5cd09e77171e466cd89.tar.xz
Merge branch 'linus' into x86/platform, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/core/timer_compat.c')
-rw-r--r--sound/core/timer_compat.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index 6a437eb66115..59127b6ef39e 100644
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -133,7 +133,8 @@ enum {
#endif /* CONFIG_X86_X32 */
};
-static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
+static long __snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = compat_ptr(arg);
@@ -153,7 +154,7 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
case SNDRV_TIMER_IOCTL_PAUSE:
case SNDRV_TIMER_IOCTL_PAUSE_OLD:
case SNDRV_TIMER_IOCTL_NEXT_DEVICE:
- return snd_timer_user_ioctl(file, cmd, (unsigned long)argp);
+ return __snd_timer_user_ioctl(file, cmd, (unsigned long)argp);
case SNDRV_TIMER_IOCTL_GPARAMS32:
return snd_timer_user_gparams_compat(file, argp);
case SNDRV_TIMER_IOCTL_INFO32:
@@ -167,3 +168,15 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
}
return -ENOIOCTLCMD;
}
+
+static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ struct snd_timer_user *tu = file->private_data;
+ long ret;
+
+ mutex_lock(&tu->ioctl_lock);
+ ret = __snd_timer_user_ioctl_compat(file, cmd, arg);
+ mutex_unlock(&tu->ioctl_lock);
+ return ret;
+}