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UBIFS: fix memory leak on error path

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UBIFS leaks memory on error path in 'mount_ubifs()'. In case of failure in
'ubifs_fixup_free_space()', it does not call 'ubifs_lpt_free()' whereas LPT
data structures can potentially be allocated. The amount of memory leaked can
be quite high -- see 'ubifs_lpt_init()'.

The bug was introduced when moving the LPT initialisation earlier in the
mount process (commit '781c5717a9').

Signed-off-by: Sidney Amani <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
This commit is contained in:
Sidney Amani 2012-05-18 14:32:37 +03:00 • committed by Artem Bityutskiy
commit 56b04e3e8b
1 changed files with 1 additions and 1 deletions
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2
fs/ubifs/super.c
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@ -1301,7 +1301,7 @@ static int mount_ubifs(struct ubifs_info *c)
if (!c->ro_mount && c->space_fixup) {
err = ubifs_fixup_free_space(c);
if (err)
goto out_master;
goto out_lpt;
}
if (!c->ro_mount) {