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authorJaegeuk Kim <jaegeuk@kernel.org>2018-09-27 22:15:31 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-26 09:42:48 +0100
commita0c9aa92c7992452d18b420671167aba42128653 (patch)
tree54270eba9396efc1bb2dad42139b49d583790a38 /fs/f2fs
parentb50d8b9e17507b3cbd414efc5a7249ba4f5b2314 (diff)
f2fs: fix missing up_read
commit 89d13c38501df730cbb2e02c4499da1b5187119d upstream. This patch fixes missing up_read call. Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area") Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/node.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 016473fc267d..3685fea62333 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1342,8 +1342,10 @@ static int f2fs_write_node_page(struct page *page,
}
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;
+ }
set_page_writeback(page);
fio.blk_addr = ni.blk_addr;