diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/xen/blkback/blkback.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/xen/blkback/blkback.c b/sys/dev/xen/blkback/blkback.c index 72087f5994ce..458149d5f06f 100644 --- a/sys/dev/xen/blkback/blkback.c +++ b/sys/dev/xen/blkback/blkback.c @@ -2827,8 +2827,11 @@ xbb_detach(device_t dev) DPRINTF("\n"); - taskqueue_free(xbb->io_taskqueue); - devstat_remove_entry(xbb->xbb_stats); + if (xbb->io_taskqueue != NULL) + taskqueue_free(xbb->io_taskqueue); + + if (xbb->xbb_stats != NULL) + devstat_remove_entry(xbb->xbb_stats); xbb_close_backend(xbb); xbb_free_communication_mem(xbb); |