diff options
Diffstat (limited to 'drivers/md/bcache/closure.h')
| -rw-r--r-- | drivers/md/bcache/closure.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index 295b7e43f92c..ccfbea6f9f6b 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_CLOSURE_H #define _LINUX_CLOSURE_H @@ -251,6 +252,12 @@ static inline void set_closure_fn(struct closure *cl, closure_fn *fn, static inline void closure_queue(struct closure *cl) { struct workqueue_struct *wq = cl->wq; + /** + * Changes made to closure, work_struct, or a couple of other structs + * may cause work.func not pointing to the right location. + */ + BUILD_BUG_ON(offsetof(struct closure, fn) + != offsetof(struct work_struct, func)); if (wq) { INIT_WORK(&cl->work, cl->work.func); BUG_ON(!queue_work(wq, &cl->work)); |