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Viewing changes to updates/cw-3.3/compat/compat-3.0.c

  • Committer: Package Import Robot
  • Author(s): Leann Ogasawara
  • Date: 2012-02-15 08:42:08 UTC
  • Revision ID: package-import@ubuntu.com-20120215084208-2gcs2zosufz014pi
Tags: 3.2.0-18.1
* Open Precise LBM
* Add compat-wireless v3.3
* Consolidated amd64 server flavour into generic
* Remove lpia control file
* Update Vcs-Git to ubuntu-preicse-lbm

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updates/cw-3.3/compat/compat-3.0.c
 
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/*
 
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 * Copyright 2011    Hauke Mehrtens <hauke@hauke-m.de>
 
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 * Copyright 2011    Alexey Dobriyan <adobriyan@gmail.com>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 2 as
 
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 * published by the Free Software Foundation.
 
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 *
 
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 * Compatibility file for Linux wireless for kernels 3.0.
 
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 */
 
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#include <linux/compat.h>
 
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#include <linux/if_ether.h>
 
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int mac_pton(const char *s, u8 *mac)
 
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{
 
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        int i;
 
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        /* XX:XX:XX:XX:XX:XX */
 
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        if (strlen(s) < 3 * ETH_ALEN - 1)
 
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                return 0;
 
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        /* Don't dirty result unless string is valid MAC. */
 
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        for (i = 0; i < ETH_ALEN; i++) {
 
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                if (!strchr("0123456789abcdefABCDEF", s[i * 3]))
 
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                        return 0;
 
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                if (!strchr("0123456789abcdefABCDEF", s[i * 3 + 1]))
 
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                        return 0;
 
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                if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
 
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                        return 0;
 
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        }
 
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        for (i = 0; i < ETH_ALEN; i++) {
 
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                mac[i] = (hex_to_bin(s[i * 3]) << 4) | hex_to_bin(s[i * 3 + 1]);
 
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        }
 
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        return 1;
 
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}
 
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EXPORT_SYMBOL(mac_pton);
 
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#define kstrto_from_user(f, g, type)                                    \
 
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int f(const char __user *s, size_t count, unsigned int base, type *res) \
 
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{                                                                       \
 
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        /* sign, base 2 representation, newline, terminator */          \
 
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        char buf[1 + sizeof(type) * 8 + 1 + 1];                         \
 
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                                                                        \
 
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        count = min(count, sizeof(buf) - 1);                            \
 
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        if (copy_from_user(buf, s, count))                              \
 
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                return -EFAULT;                                         \
 
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        buf[count] = '\0';                                              \
 
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        return g(buf, base, res);                                       \
 
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}                                                                       \
 
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EXPORT_SYMBOL(f)
 
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kstrto_from_user(kstrtoull_from_user,   kstrtoull,      unsigned long long);
 
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kstrto_from_user(kstrtoll_from_user,    kstrtoll,       long long);
 
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kstrto_from_user(kstrtoul_from_user,    kstrtoul,       unsigned long);
 
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kstrto_from_user(kstrtol_from_user,     kstrtol,        long);
 
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kstrto_from_user(kstrtouint_from_user,  kstrtouint,     unsigned int);
 
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kstrto_from_user(kstrtoint_from_user,   kstrtoint,      int);
 
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kstrto_from_user(kstrtou16_from_user,   kstrtou16,      u16);
 
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kstrto_from_user(kstrtos16_from_user,   kstrtos16,      s16);
 
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kstrto_from_user(kstrtou8_from_user,    kstrtou8,       u8);
 
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kstrto_from_user(kstrtos8_from_user,    kstrtos8,       s8);