From 66f1991bc2357436498ac990302b6f5bf403d7ef Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andy.shevchenko@gmail.com>
Date: Tue, 26 Oct 2010 14:23:03 -0700
Subject: lib/bitmap.c: use hex_to_bin()

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/bitmap.c b/lib/bitmap.c
index ffb78c9..741fae9 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -359,7 +359,6 @@ EXPORT_SYMBOL(bitmap_find_next_zero_area);
 
 #define CHUNKSZ				32
 #define nbits_to_hold_value(val)	fls(val)
-#define unhex(c)			(isdigit(c) ? (c - '0') : (toupper(c) - 'A' + 10))
 #define BASEDEC 10		/* fancier cpuset lists input in decimal */
 
 /**
@@ -466,7 +465,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
 			if (chunk & ~((1UL << (CHUNKSZ - 4)) - 1))
 				return -EOVERFLOW;
 
-			chunk = (chunk << 4) | unhex(c);
+			chunk = (chunk << 4) | hex_to_bin(c);
 			ndigits++; totaldigits++;
 		}
 		if (ndigits == 0)
-- 
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