Instead of using own implementation involve hex_to_bin() function.
Signed-off-by: NAndy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: NJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>