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Diffstat (limited to 'drivers/block/xd.c')
-rw-r--r--drivers/block/xd.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index b16a3a926cf2..d5a3cd750561 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -46,6 +46,7 @@
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <linux/blkpg.h>
#include <linux/delay.h>
#include <linux/io.h>
@@ -133,7 +134,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
static const struct block_device_operations xd_fops = {
.owner = THIS_MODULE,
- .locked_ioctl = xd_ioctl,
+ .ioctl = xd_ioctl,
.getgeo = xd_getgeo,
};
static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
@@ -347,7 +348,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
}
/* xd_ioctl: handle device ioctl's */
-static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
+static int xd_locked_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
{
switch (cmd) {
case HDIO_SET_DMA:
@@ -375,6 +376,18 @@ static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long a
}
}
+static int xd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = xd_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
/* xd_readwrite: handle a read/write request */
static int xd_readwrite (u_char operation,XD_INFO *p,char *buffer,u_int block,u_int count)
{