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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-05-06 16:08:56 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-05-13 18:23:57 +0200 |
| commit | eaeee242c531cd4b0a4a46e8b5dd7ef504380c42 (patch) | |
| tree | 7009f5a79dd67d5eb29140b8cfe4c9dc11dfcae7 /fs/ubifs/super.c | |
| parent | UBIFS: fix inode size debugging check failure (diff) | |
| download | linux-eaeee242c531cd4b0a4a46e8b5dd7ef504380c42.tar.xz linux-eaeee242c531cd4b0a4a46e8b5dd7ef504380c42.zip | |
UBIFS: fix a rare memory leak in ro to rw remounting path
When re-mounting from R/O mode to R/W mode and the LEB count in the superblock
is not up-to date, because for the underlying UBI volume became larger, we
re-write the superblock. We allocate RAM for these purposes, but never free it.
So this is a memory leak, although very rare one.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable@kernel.org
Diffstat (limited to 'fs/ubifs/super.c')
| -rw-r--r-- | fs/ubifs/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 407c064fb1c1..575ea8353d08 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -1585,6 +1585,7 @@ static int ubifs_remount_rw(struct ubifs_info *c) } sup->leb_cnt = cpu_to_le32(c->leb_cnt); err = ubifs_write_sb_node(c, sup); + kfree(sup); if (err) goto out; } |