4.4-stable review patch. If anyone has any objections, please let me know.
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From: Jaegeuk Kim jaegeuk@kernel.org
commit a2125ff7dd1ed3a2a53cdc1f8f9c9cec9cfaa7ab upstream.
This fixes missing freeing meta pages in the error case.
Tested-by: Eric Biggers ebiggers@google.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 --- fs/f2fs/checkpoint.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -708,7 +708,7 @@ int get_valid_checkpoint(struct f2fs_sb_
/* Sanity checking of checkpoint */ if (sanity_check_ckpt(sbi)) - goto fail_no_cp; + goto free_fail_no_cp;
if (cur_page == cp1) sbi->cur_cp_pack = 1; @@ -736,6 +736,9 @@ done: f2fs_put_page(cp2, 1); return 0;
+free_fail_no_cp: + f2fs_put_page(cp1, 1); + f2fs_put_page(cp2, 1); fail_no_cp: kfree(sbi->ckpt); return -EINVAL;