[PATCH 4.14 064/101] ext4: missing unlock/put_page() in ext4_try_to_write_inline_data()
From: Greg Kroah-Hartman
Date: Mon Jan 07 2019 - 08:14:42 EST
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Maurizio Lombardi <mlombard@xxxxxxxxxx>
commit 132d00becb31e88469334e1e62751c81345280e0 upstream.
In case of error, ext4_try_to_write_inline_data() should unlock
and release the page it holds.
Fixes: f19d5870cbf7 ("ext4: add normal write support for inline data")
Cc: stable@xxxxxxxxxx # 3.8
Signed-off-by: Maurizio Lombardi <mlombard@xxxxxxxxxx>
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ext4/inline.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -711,8 +711,11 @@ int ext4_try_to_write_inline_data(struct
if (!PageUptodate(page)) {
ret = ext4_read_inline_page(inode, page);
- if (ret < 0)
+ if (ret < 0) {
+ unlock_page(page);
+ put_page(page);
goto out_up_read;
+ }
}
ret = 1;