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path: root/drivers/block/ataflop.c
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Diffstat (limited to 'drivers/block/ataflop.c')
-rw-r--r--drivers/block/ataflop.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 1bb8bfcfdbd9..aceb96476524 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1850,22 +1850,34 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
return 0;
}
+static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode)
+{
+ int ret;
+
+ lock_kernel();
+ ret = floppy_open(bdev, mode);
+ unlock_kernel();
+
+ return ret;
+}
static int floppy_release(struct gendisk *disk, fmode_t mode)
{
struct atari_floppy_struct *p = disk->private_data;
+ lock_kernel();
if (p->ref < 0)
p->ref = 0;
else if (!p->ref--) {
printk(KERN_ERR "floppy_release with fd_ref == 0");
p->ref = 0;
}
+ unlock_kernel();
return 0;
}
static const struct block_device_operations floppy_fops = {
.owner = THIS_MODULE,
- .open = floppy_open,
+ .open = floppy_unlocked_open,
.release = floppy_release,
.ioctl = fd_ioctl,
.media_changed = check_floppy_change,