UBIFS: fix memory leak on error path
BugLink: http://bugs.launchpad.net/bugs/802383 commit 812eb258311f89bcd664a34a620f249d54a2cd83 upstream. UBIFS leaks memory on error path in 'ubifs_jnl_update()' in case of write failure because it forgets to free the 'struct ubifs_dent_node *dent' object. Although the object is small, the alignment can make it large - e.g., 2KiB if the min. I/O unit is 2KiB. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
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