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UBI: fix double free on error path

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If we fail in 'ubi_eba_init_scan()', we free
'ubi->volumes[i]->eba_tbl' in there, but also later free it
in 'free_internal_volumes()'. Fix this by assigning NULL
to 'ubi->volumes[i]->eba_tbl' after it is freed.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Adrian Hunter 2009-07-24 17:05:00 +03:00 committed by Artem Bityutskiy
parent 4be3bd7849
commit 7194e6f9c0
1 changed files with 1 additions and 0 deletions
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drivers/mtd/ubi/eba.c
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@ -1254,6 +1254,7 @@ int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_scan_info *si)
if (!ubi->volumes[i])
continue;
kfree(ubi->volumes[i]->eba_tbl);
ubi->volumes[i]->eba_tbl = NULL;
}
return err;
}