The patch titled
lib-introduce-common-method-to-convert-hex-digits-fix
has been added to the -mm tree. Its filename is
lib-introduce-common-method-to-convert-hex-digits-fix.patch
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------------------------------------------------------
Subject: lib-introduce-common-method-to-convert-hex-digits-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- use tolower(), saving 3 bytes!
- test the more common case first - it's quicker.
Cc: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/hexdump.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff -puN include/linux/kernel.h~lib-introduce-common-method-to-convert-hex-digits-fix include/linux/kernel.h
diff -puN lib/hexdump.c~lib-introduce-common-method-to-convert-hex-digits-fix lib/hexdump.c
--- a/lib/hexdump.c~lib-introduce-common-method-to-convert-hex-digits-fix
+++ a/lib/hexdump.c
@@ -24,12 +24,11 @@ EXPORT_SYMBOL(hex_asc);
*/
int hex_to_bin(char ch)
{
- if ((ch >= 'a') && (ch <= 'f'))
- return ch - 'a' + 10;
+ ch = tolower(ch);
if ((ch >= '0') && (ch <= '9'))
return ch - '0';
- if ((ch >= 'A') && (ch <= 'F'))
- return ch - 'A' + 10;
+ if ((ch >= 'a') && (ch <= 'f'))
+ return ch - 'a' + 10;
return -1;
}
EXPORT_SYMBOL(hex_to_bin);
_
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lib-introduce-common-method-to-convert-hex-digits-fix.patch
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