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-rw-r--r--drivers/block/ub.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index aaf27fb4efd6..102ed52d0e0f 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -28,6 +28,7 @@
#include <linux/timer.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <scsi/scsi.h>
#define DRV_NAME "ub"
@@ -1729,8 +1730,13 @@ static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode,
{
struct gendisk *disk = bdev->bd_disk;
void __user *usermem = (void __user *) arg;
+ int ret;
+
+ lock_kernel();
+ ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
+ unlock_kernel();
- return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
+ return ret;
}
/*
@@ -1794,7 +1800,7 @@ static const struct block_device_operations ub_bd_fops = {
.owner = THIS_MODULE,
.open = ub_bd_open,
.release = ub_bd_release,
- .locked_ioctl = ub_bd_ioctl,
+ .ioctl = ub_bd_ioctl,
.media_changed = ub_bd_media_changed,
.revalidate_disk = ub_bd_revalidate,
};