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selinuxfs: remove custom hex_to_bin()

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Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Eric Paris <eparis@parisplace.org>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Andy Shevchenko 2011-11-15 15:11:41 -08:00 committed by James Morris
parent 59df3166ef
commit af7ff2c2c4
1 changed files with 4 additions and 10 deletions
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14
security/selinux/selinuxfs.c
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@ -749,14 +749,6 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size)
return length;
}
static inline int hexcode_to_int(int code) {
if (code == '\0' || !isxdigit(code))
return -1;
if (isdigit(code))
return code - '0';
return tolower(code) - 'a' + 10;
}
static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
{
char *scon = NULL, *tcon = NULL;
@ -808,9 +800,11 @@ static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
if (c1 == '+')
c1 = ' ';
else if (c1 == '%') {
if ((c1 = hexcode_to_int(*r++)) < 0)
c1 = hex_to_bin(*r++);
if (c1 < 0)
goto out;
if ((c2 = hexcode_to_int(*r++)) < 0)
c2 = hex_to_bin(*r++);
if (c2 < 0)
goto out;
c1 = (c1 << 4) | c2;
}