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 (file)
--- 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)