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net: core: use kernel's converter from hex to bin

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Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Shevchenko
2010-09-20 20:40:26 +00:00
committed by David S. Miller
parent 66bb16de6b
commit 82fd5b5d1e
2 changed files with 11 additions and 12 deletions
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10
net/core/pktgen.c
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@@ -729,16 +729,14 @@ static int hex32_arg(const char __user *user_buffer, unsigned long maxlen,
*num = 0;
for (; i < maxlen; i++) {
int value;
char c;
*num <<= 4;
if (get_user(c, &user_buffer[i]))
return -EFAULT;
if ((c >= '0') && (c <= '9'))
*num |= c - '0';
else if ((c >= 'a') && (c <= 'f'))
*num |= c - 'a' + 10;
else if ((c >= 'A') && (c <= 'F'))
*num |= c - 'A' + 10;
value = hex_to_bin(c);
if (value >= 0)
*num |= value;
else
break;
}