1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 832798aa14f6..0fa26359304c 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -60,6 +60,7 @@
 #include <linux/hdreg.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 #include <linux/amifdreg.h>
 #include <linux/amifd.h>
 #include <linux/buffer_head.h>
@@ -1423,7 +1424,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
         return 0;
 }
 
-static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
                     unsigned int cmd, unsigned long param)
 {
         struct amiga_floppy_struct *p = bdev->bd_disk->private_data;
@@ -1500,6 +1501,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
         return 0;
 }
 
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+                             unsigned int cmd, unsigned long param)
+{
+        int ret;
+
+        lock_kernel();
+        ret = fd_locked_ioctl(bdev, mode, cmd, param);
+        unlock_kernel();
+
+        return ret;
+}
+
 static void fd_probe(int dev)
 {
         unsigned long code;
@@ -1638,7 +1651,7 @@ static const struct block_device_operations floppy_fops = {
         .owner          = THIS_MODULE,
         .open           = floppy_open,
         .release        = floppy_release,
-        .locked_ioctl   = fd_ioctl,
+        .ioctl          = fd_ioctl,
         .getgeo         = fd_getgeo,
         .media_changed  = amiga_floppy_change,
 };