NVMe: Enable BUILD_BUG_ON checks

Since _nvme_check_size() wasn't being called from anywhere, the compiler
was optimising it away ... along with all the link-time build failures
that would result if any of the structures were the wrong size.  Call it
from nvme_exit() for no particular reason.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index cd8a8bc711cc..b82155888845 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -2912,6 +2912,7 @@ static void __exit nvme_exit(void)
         unregister_blkdev(nvme_major, "nvme");
         destroy_workqueue(nvme_workq);
         BUG_ON(nvme_thread && !IS_ERR(nvme_thread));
+        _nvme_check_size();
 }
 
 MODULE_AUTHOR("Matthew Wilcox <willy@linux.intel.com>");