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Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 53af8089dcb9..470d3a0b6098 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -104,7 +104,6 @@ static int scatter_elem_sz_prev = SG_SCATTER_SZ;
static int sg_add(struct device *, struct class_interface *);
static void sg_remove(struct device *, struct class_interface *);
-static DEFINE_MUTEX(sg_mutex);
static DEFINE_SPINLOCK(sg_open_exclusive_lock);
static DEFINE_IDR(sg_index_idr);
@@ -268,7 +267,6 @@ sg_open(struct inode *inode, struct file *filp)
int res;
int retval;
- mutex_lock(&sg_mutex);
nonseekable_open(inode, filp);
SCSI_LOG_TIMEOUT(3, printk("sg_open: dev=%d, flags=0x%x\n", dev, flags));
sdp = sg_get_dev(dev);
@@ -350,7 +348,6 @@ sdp_put:
sg_put:
if (sdp)
sg_put_dev(sdp);
- mutex_unlock(&sg_mutex);
return retval;
}
@@ -808,7 +805,7 @@ static int srp_done(Sg_fd *sfp, Sg_request *srp)
return ret;
}
-static int
+static long
sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
{
void __user *p = (void __user *)arg;
@@ -1118,18 +1115,6 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
}
}
-static long
-sg_unlocked_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
-{
- int ret;
-
- mutex_lock(&sg_mutex);
- ret = sg_ioctl(filp, cmd_in, arg);
- mutex_unlock(&sg_mutex);
-
- return ret;
-}
-
#ifdef CONFIG_COMPAT
static long sg_compat_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
{
@@ -1377,7 +1362,7 @@ static const struct file_operations sg_fops = {
.read = sg_read,
.write = sg_write,
.poll = sg_poll,
- .unlocked_ioctl = sg_unlocked_ioctl,
+ .unlocked_ioctl = sg_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = sg_compat_ioctl,
#endif