diff options
Diffstat (limited to 'drivers/cdrom/gdrom.c')
| -rw-r--r-- | drivers/cdrom/gdrom.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 5219b57deb3..1772fd914fb 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -34,6 +34,7 @@ #include <linux/blkdev.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/platform_device.h> @@ -509,7 +510,13 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk) static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static const struct block_device_operations gdrom_bdops = { @@ -517,7 +524,7 @@ static const struct block_device_operations gdrom_bdops = { .open = gdrom_bdops_open, .release = gdrom_bdops_release, .media_changed = gdrom_bdops_mediachanged, - .locked_ioctl = gdrom_bdops_ioctl, + .ioctl = gdrom_bdops_ioctl, }; static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id) |