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path: root/drivers/telephony/ixj.c
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Diffstat (limited to 'drivers/telephony/ixj.c')
-rw-r--r--drivers/telephony/ixj.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index b53deee25d74..0d236f4bb8c2 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -257,7 +257,7 @@
#include <linux/fs.h> /* everything... */
#include <linux/errno.h> /* error codes */
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
@@ -277,6 +277,7 @@
#define TYPE(inode) (iminor(inode) >> 4)
#define NUM(inode) (iminor(inode) & 0xf)
+static DEFINE_MUTEX(ixj_mutex);
static int ixjdebug;
static int hertz = HZ;
static int samplerate = 100;
@@ -6655,9 +6656,9 @@ static long do_ixj_ioctl(struct file *file_p, unsigned int cmd, unsigned long ar
static long ixj_ioctl(struct file *file_p, unsigned int cmd, unsigned long arg)
{
long ret;
- lock_kernel();
+ mutex_lock(&ixj_mutex);
ret = do_ixj_ioctl(file_p, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&ixj_mutex);
return ret;
}
@@ -6676,7 +6677,8 @@ static const struct file_operations ixj_fops =
.poll = ixj_poll,
.unlocked_ioctl = ixj_ioctl,
.release = ixj_release,
- .fasync = ixj_fasync
+ .fasync = ixj_fasync,
+ .llseek = default_llseek,
};
static int ixj_linetest(IXJ *j)