diff options
Diffstat (limited to 'block/elevator.c')
-rw-r--r-- | block/elevator.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/elevator.c b/block/elevator.c index d00b283f31d2..9b72dc7c8a5c 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -27,7 +27,6 @@ #include <linux/blkdev.h> #include <linux/elevator.h> #include <linux/bio.h> -#include <linux/config.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/init.h> @@ -766,7 +765,8 @@ void elv_unregister(struct elevator_type *e) read_lock(&tasklist_lock); do_each_thread(g, p) { task_lock(p); - e->ops.trim(p->io_context); + if (p->io_context) + e->ops.trim(p->io_context); task_unlock(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); |