1 files changed, 14 insertions, 3 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index dee1c96288d..ef752b248c4 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -758,8 +758,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 }
 
 static int
-sg_ioctl(struct inode *inode, struct file *filp,
-         unsigned int cmd_in, unsigned long arg)
+sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
 {
         void __user *p = (void __user *)arg;
         int __user *ip = p;
@@ -1078,6 +1077,18 @@ sg_ioctl(struct inode *inode, struct file *filp,
         }
 }
 
+static long
+sg_unlocked_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
+{
+        int ret;
+
+        lock_kernel();
+        ret = sg_ioctl(filp, cmd_in, arg);
+        unlock_kernel();
+
+        return ret;
+}
+
 #ifdef CONFIG_COMPAT
 static long sg_compat_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
 {
@@ -1322,7 +1333,7 @@ static const struct file_operations sg_fops = {
         .read = sg_read,
         .write = sg_write,
         .poll = sg_poll,
-        .ioctl = sg_ioctl,
+        .unlocked_ioctl = sg_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
         .compat_ioctl = sg_compat_ioctl,
 #endif