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authorJaegeuk Kim <jaegeuk@kernel.org>2018-09-27 22:15:31 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-05 19:41:27 +0100
commit862e7aaa90f63b1e3e3ab498dc3a3ac9a011b8d0 (patch)
treee5144703605df59c89ee02cca3f3b6357269dabf
parent0c5f2e899241aceab46e6dcba01c6fb2223bdeb5 (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") Cc: <stable@vger.kernel.org> # 4.19+ Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 6adb6c60f017..65de72d65562 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1399,8 +1399,10 @@ 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;