diff options
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 6522b8bbe178..c86c3fd4fc00 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2554,11 +2554,11 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) pr_err("swapon: discard_swap(%p): %d\n", p, err); } - - if (blk_queue_fast(bdev_get_queue(p->bdev))) - p->flags |= SWP_FAST; } + if (p->bdev && blk_queue_fast(bdev_get_queue(p->bdev))) + p->flags |= SWP_FAST; + mutex_lock(&swapon_mutex); prio = -1; if (swap_flags & SWAP_FLAG_PREFER) |