diff options
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 2e74e7d475c..6751789fb37 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -24,6 +24,7 @@ #include <linux/errno.h> #include <linux/file.h> #include <linux/ioctl.h> +#include <linux/smp_lock.h> #include <linux/compiler.h> #include <linux/err.h> #include <linux/kernel.h> @@ -716,9 +717,11 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode, dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n", lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg); + lock_kernel(); mutex_lock(&lo->tx_lock); error = __nbd_ioctl(bdev, lo, cmd, arg); mutex_unlock(&lo->tx_lock); + unlock_kernel(); return error; } @@ -726,7 +729,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode, static const struct block_device_operations nbd_fops = { .owner = THIS_MODULE, - .locked_ioctl = nbd_ioctl, + .ioctl = nbd_ioctl, }; /* |