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| author | Andy Shevchenko <ext-andriy.shevchenko@nokia.com> | 2010-05-24 14:33:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 08:07:05 -0700 |
| commit | 69e4469a39b67e9923731d5d77d45c04837d5def (patch) | |
| tree | 76c28eba265c6d8b44e31ab7cc16c5940b9f221a /kernel/sysctl_binary.c | |
| parent | 96b89f323d6af996a7f6bd84d2119cbf7145f9a4 (diff) | |
| download | lwn-69e4469a39b67e9923731d5d77d45c04837d5def.tar.gz lwn-69e4469a39b67e9923731d5d77d45c04837d5def.zip | |
sysctl: don't use own implementation of hex_to_bin()
Remove own implementation of hex_to_bin().
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sysctl_binary.c')
| -rw-r--r-- | kernel/sysctl_binary.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c index 937d31dc8566..1357c5786064 100644 --- a/kernel/sysctl_binary.c +++ b/kernel/sysctl_binary.c @@ -13,6 +13,7 @@ #include <linux/file.h> #include <linux/ctype.h> #include <linux/netdevice.h> +#include <linux/kernel.h> #include <linux/slab.h> #ifdef CONFIG_SYSCTL_SYSCALL @@ -1124,11 +1125,6 @@ out: return result; } -static unsigned hex_value(int ch) -{ - return isdigit(ch) ? ch - '0' : ((ch | 0x20) - 'a') + 10; -} - static ssize_t bin_uuid(struct file *file, void __user *oldval, size_t oldlen, void __user *newval, size_t newlen) { @@ -1156,7 +1152,8 @@ static ssize_t bin_uuid(struct file *file, if (!isxdigit(str[0]) || !isxdigit(str[1])) goto out; - uuid[i] = (hex_value(str[0]) << 4) | hex_value(str[1]); + uuid[i] = (hex_to_bin(str[0]) << 4) | + hex_to_bin(str[1]); str += 2; if (*str == '-') str++; |