diff options
Diffstat (limited to 'sound/oss/sh_dac_audio.c')
| -rw-r--r-- | sound/oss/sh_dac_audio.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c index 8f0be4053a5a..fdb58eb83d4e 100644 --- a/sound/oss/sh_dac_audio.c +++ b/sound/oss/sh_dac_audio.c @@ -15,6 +15,7 @@ #include <linux/linkage.h> #include <linux/slab.h> #include <linux/fs.h> +#include <linux/smp_lock.h> #include <linux/sound.h> #include <linux/smp_lock.h> #include <linux/soundcard.h> @@ -93,7 +94,7 @@ static void dac_audio_set_rate(void) wakeups_per_second = ktime_set(0, 1000000000 / rate); } -static int dac_audio_ioctl(struct inode *inode, struct file *file, +static int dac_audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int val; @@ -159,6 +160,17 @@ static int dac_audio_ioctl(struct inode *inode, struct file *file, return -EINVAL; } +static long dac_audio_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) +{ + int ret; + + lock_kernel(); + ret = dac_audio_ioctl(file, cmd, arg); + unlock_kernel(); + + return ret; +} + static ssize_t dac_audio_write(struct file *file, const char *buf, size_t count, loff_t * ppos) { @@ -242,8 +254,8 @@ static int dac_audio_release(struct inode *inode, struct file *file) const struct file_operations dac_audio_fops = { .read = dac_audio_read, - .write = dac_audio_write, - .ioctl = dac_audio_ioctl, + .write = dac_audio_write, + .unlocked_ioctl = dac_audio_unlocked_ioctl, .open = dac_audio_open, .release = dac_audio_release, }; |