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f2fs: free meta pages if sanity check for ckpt is failed 

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>
This commit is contained in:
Jaegeuk Kim 2016-12-05 17:25:32 -08:00
parent 2040fce83f
commit a2125ff7dd
1 changed files with 4 additions and 1 deletions
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5
fs/f2fs/checkpoint.c
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@ -770,7 +770,7 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
/* 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;
@ -798,6 +798,9 @@ 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;