5 files changed, 41 insertions, 10 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index ef7e3a9bee51..bf9f61a5c2f8 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -31,6 +31,7 @@
 #include <linux/delay.h>
 #include <linux/timer.h>
 #include <linux/seq_file.h>
+#include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
@@ -1654,7 +1655,7 @@ static int idecd_get_spindown(struct cdrom_device_info *cdi, unsigned long arg)
         return 0;
 }
 
-static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
+static int idecd_locked_ioctl(struct block_device *bdev, fmode_t mode,
                         unsigned int cmd, unsigned long arg)
 {
         struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info);
@@ -1676,6 +1677,19 @@ static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
         return err;
 }
 
+static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
+                             unsigned int cmd, unsigned long arg)
+{
+        int ret;
+
+        lock_kernel();
+        ret = idecd_locked_ioctl(bdev, mode, cmd, arg);
+        unlock_kernel();
+
+        return ret;
+}
+
+
 static int idecd_media_changed(struct gendisk *disk)
 {
         struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
@@ -1696,7 +1710,7 @@ static const struct block_device_operations idecd_ops = {
         .owner                  = THIS_MODULE,
         .open                   = idecd_open,
         .release                = idecd_release,
-        .locked_ioctl           = idecd_ioctl,
+        .ioctl                  = idecd_ioctl,
         .media_changed          = idecd_media_changed,
         .revalidate_disk        = idecd_revalidate_disk
 };
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index 7b783dd7c0be..ec94c66918f6 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -1,6 +1,7 @@
 #include <linux/kernel.h>
 #include <linux/ide.h>
 #include <linux/hdreg.h>
+#include <linux/smp_lock.h>
 
 #include "ide-disk.h"
 
@@ -18,9 +19,13 @@ int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
 {
         int err;
 
+        lock_kernel();
         err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
         if (err != -EOPNOTSUPP)
-                return err;
+                goto out;
 
-        return generic_ide_ioctl(drive, bdev, cmd, arg);
+        err = generic_ide_ioctl(drive, bdev, cmd, arg);
+out:
+        unlock_kernel();
+        return err;
 }
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 9c2288234dea..fd3d05ab3417 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -5,6 +5,7 @@
 #include <linux/kernel.h>
 #include <linux/ide.h>
 #include <linux/cdrom.h>
+#include <linux/smp_lock.h>
 
 #include <asm/unaligned.h>
 
@@ -275,12 +276,15 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev,
         void __user *argp = (void __user *)arg;
         int err;
 
-        if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
-                return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+        lock_kernel();
+        if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) {
+                err = ide_floppy_lockdoor(drive, &pc, arg, cmd);
+                goto out;
+        }
 
         err = ide_floppy_format_ioctl(drive, &pc, mode, cmd, argp);
         if (err != -ENOTTY)
-                return err;
+                goto out;
 
         /*
          * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
@@ -293,5 +297,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev,
         if (err == -ENOTTY)
                 err = generic_ide_ioctl(drive, bdev, cmd, arg);
 
+out:
+        unlock_kernel();
         return err;
 }
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index c102d23d9b38..883f0c979c9f 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -323,7 +323,7 @@ static const struct block_device_operations ide_gd_ops = {
         .owner                  = THIS_MODULE,
         .open                   = ide_gd_open,
         .release                = ide_gd_release,
-        .locked_ioctl           = ide_gd_ioctl,
+        .ioctl                  = ide_gd_ioctl,
         .getgeo                 = ide_gd_getgeo,
         .media_changed          = ide_gd_media_changed,
         .unlock_native_capacity = ide_gd_unlock_native_capacity,
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 635fd72d4728..39b0a5c45f07 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -32,6 +32,7 @@
 #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>
@@ -1927,9 +1928,14 @@ static int idetape_ioctl(struct block_device *bdev, fmode_t mode,
 {
         struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
         ide_drive_t *drive = tape->drive;
-        int err = generic_ide_ioctl(drive, bdev, cmd, arg);
+        int err;
+
+        lock_kernel();
+        err = generic_ide_ioctl(drive, bdev, cmd, arg);
         if (err == -EINVAL)
                 err = idetape_blkdev_ioctl(drive, cmd, arg);
+        unlock_kernel();
+
         return err;
 }
 
@@ -1937,7 +1943,7 @@ static const struct block_device_operations idetape_block_ops = {
         .owner          = THIS_MODULE,
         .open           = idetape_open,
         .release        = idetape_release,
-        .locked_ioctl   = idetape_ioctl,
+        .ioctl          = idetape_ioctl,
 };
 
 static int ide_tape_probe(ide_drive_t *drive)