88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
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/*
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* Copyright 2007-2010 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
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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 2.6.26.
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*
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* Copyright holders from ported work:
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*
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* Copyright (c) 2002-2003 Patrick Mochel <mochel@osdl.org>
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* Copyright (c) 2006-2007 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (c) 2006-2007 Novell Inc.
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*/
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#include <net/compat.h>
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/* 2.6.24 does not have the struct kobject with a name */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
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/**
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* kobject_set_name_vargs - Set the name of an kobject
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* @kobj: struct kobject to set the name of
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* @fmt: format string used to build the name
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* @vargs: vargs to format the string.
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*/
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static
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int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
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va_list vargs)
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{
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const char *old_name = kobj->name;
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char *s;
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if (kobj->name && !fmt)
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return 0;
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kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
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if (!kobj->name)
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return -ENOMEM;
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/* ewww... some of these buggers have '/' in the name ... */
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while ((s = strchr(kobj->name, '/')))
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s[0] = '!';
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kfree(old_name);
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return 0;
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}
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#else
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static
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int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
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va_list vargs)
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{
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struct device *dev;
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unsigned int len;
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va_list aq;
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dev = container_of(kobj, struct device, kobj);
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va_copy(aq, vargs);
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len = vsnprintf(NULL, 0, fmt, aq);
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va_end(aq);
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len = len < BUS_ID_SIZE ? (len + 1) : BUS_ID_SIZE;
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vsnprintf(dev->bus_id, len, fmt, vargs);
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return 0;
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}
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#endif
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/**
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* dev_set_name - set a device name
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* @dev: device
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* @fmt: format string for the device's name
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*/
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int dev_set_name(struct device *dev, const char *fmt, ...)
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{
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va_list vargs;
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int err;
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va_start(vargs, fmt);
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err = kobject_set_name_vargs(&dev->kobj, fmt, vargs);
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va_end(vargs);
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return err;
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}
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EXPORT_SYMBOL_GPL(dev_set_name);
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