1 files changed, 9 insertions, 10 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 23d1d1c5587c..7ecb1ade8874 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -32,11 +32,9 @@
 #include <linux/errno.h>
 #include <linux/genhd.h>
 #include <linux/seq_file.h>
-#include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/ide.h>
-#include <linux/smp_lock.h>
 #include <linux/completion.h>
 #include <linux/bitops.h>
 #include <linux/mutex.h>
@@ -220,6 +218,7 @@ typedef struct ide_tape_obj {
         char write_prot;
 } idetape_tape_t;
 
+static DEFINE_MUTEX(ide_tape_mutex);
 static DEFINE_MUTEX(idetape_ref_mutex);
 
 static DEFINE_MUTEX(idetape_chrdev_mutex);
@@ -1426,9 +1425,9 @@ static long idetape_chrdev_ioctl(struct file *file,
                                 unsigned int cmd, unsigned long arg)
 {
         long ret;
-        lock_kernel();
+        mutex_lock(&ide_tape_mutex);
         ret = do_idetape_chrdev_ioctl(file, cmd, arg);
-        unlock_kernel();
+        mutex_unlock(&ide_tape_mutex);
         return ret;
 }
 
@@ -1910,9 +1909,9 @@ static int idetape_open(struct block_device *bdev, fmode_t mode)
 {
         struct ide_tape_obj *tape;
 
-        lock_kernel();
+        mutex_lock(&ide_tape_mutex);
         tape = ide_tape_get(bdev->bd_disk, false, 0);
-        unlock_kernel();
+        mutex_unlock(&ide_tape_mutex);
 
         if (!tape)
                 return -ENXIO;
@@ -1924,9 +1923,9 @@ static int idetape_release(struct gendisk *disk, fmode_t mode)
 {
         struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj);
 
-        lock_kernel();
+        mutex_lock(&ide_tape_mutex);
         ide_tape_put(tape);
-        unlock_kernel();
+        mutex_unlock(&ide_tape_mutex);
 
         return 0;
 }
@@ -1938,11 +1937,11 @@ static int idetape_ioctl(struct block_device *bdev, fmode_t mode,
         ide_drive_t *drive = tape->drive;
         int err;
 
-        lock_kernel();
+        mutex_lock(&ide_tape_mutex);
         err = generic_ide_ioctl(drive, bdev, cmd, arg);
         if (err == -EINVAL)
                 err = idetape_blkdev_ioctl(drive, cmd, arg);
-        unlock_kernel();
+        mutex_unlock(&ide_tape_mutex);
 
         return err;
 }