This patch fixes missing up_read call.

Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area") Cc: stable@vger.kernel.org # 4.19+ Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org --- fs/f2fs/node.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 3994b44541b4..acb819b8fc42 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1541,8 +1541,10 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, }

if (__is_valid_data_blkaddr(ni.blk_addr) && - !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) + !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) { + up_read(&sbi->node_write); goto redirty_out; + }

if (atomic && !test_opt(sbi, NOBARRIER)) fio.op_flags |= REQ_PREFLUSH | REQ_FUA;