dm cache: fix device destroy hang due to improper prealloc_used accounting

[firefly-linux-kernel-4.4.55.git] / drivers / md / bcache / super.c

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 4dd2bb7167f05e94bda5d33b213dc67356fc9f5a..94980bfca43473c5ad141171300d71f6bd5cae55 100644 (file)
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -760,14 +760,8 @@ static void bcache_device_free(struct bcache_device *d)
        bio_split_pool_free(&d->bio_split_hook);
        if (d->bio_split)
                bioset_free(d->bio_split);
-       if (is_vmalloc_addr(d->full_dirty_stripes))
-               vfree(d->full_dirty_stripes);
-       else
-               kfree(d->full_dirty_stripes);
-       if (is_vmalloc_addr(d->stripe_sectors_dirty))
-               vfree(d->stripe_sectors_dirty);
-       else
-               kfree(d->stripe_sectors_dirty);
+       kvfree(d->full_dirty_stripes);
+       kvfree(d->stripe_sectors_dirty);
 
        closure_debug_destroy(&d->cl);
 }