1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index bde2c64b6346..451b996bba91 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2577,19 +2577,19 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm
         case PKT_CTRL_CMD_SETUP:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                 ret = pkt_setup_dev(&ctrl_cmd);
                 mutex_unlock(&ctl_mutex);
                 break;
         case PKT_CTRL_CMD_TEARDOWN:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                 ret = pkt_remove_dev(&ctrl_cmd);
                 mutex_unlock(&ctl_mutex);
                 break;
         case PKT_CTRL_CMD_STATUS:
-                mutex_lock(&ctl_mutex);
+                mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
                 pkt_get_status(&ctrl_cmd);
                 mutex_unlock(&ctl_mutex);
                 break;