diff options
Diffstat (limited to 'drivers/block/brd.c')
| -rw-r--r-- | drivers/block/brd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index b1be6c510372..0c2eabe14af3 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -64,13 +64,15 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector, rcu_read_unlock(); page = alloc_page(gfp | __GFP_ZERO | __GFP_HIGHMEM); - rcu_read_lock(); - if (!page) + if (!page) { + rcu_read_lock(); return ERR_PTR(-ENOMEM); + } xa_lock(&brd->brd_pages); ret = __xa_cmpxchg(&brd->brd_pages, sector >> PAGE_SECTORS_SHIFT, NULL, page, gfp); + rcu_read_lock(); if (ret) { xa_unlock(&brd->brd_pages); __free_page(page); |