cregit-Linux how code gets into the kernel

Release 4.11 net/wimax/op-state-get.c

Directory: net/wimax
/*
 * Linux WiMAX
 * Implement and export a method for getting a WiMAX device current state
 *
 * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
 *
 * Based on previous WiMAX core work by:
 *  Copyright (C) 2008 Intel Corporation <linux-wimax@intel.com>
 *  Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include <net/wimax.h>
#include <net/genetlink.h>
#include <linux/wimax.h>
#include <linux/security.h>
#include "wimax-internal.h"


#define D_SUBMODULE op_state_get
#include "debug-levels.h"


/*
 * Exporting to user space over generic netlink
 *
 * Parse the state get command from user space, return a combination
 * value that describe the current state.
 *
 * No attributes.
 */

int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info) { int result, ifindex; struct wimax_dev *wimax_dev; d_fnstart(3, NULL, "(skb %p info %p)\n", skb, info); result = -ENODEV; if (info->attrs[WIMAX_GNL_STGET_IFIDX] == NULL) { pr_err("WIMAX_GNL_OP_STATE_GET: can't find IFIDX attribute\n"); goto error_no_wimax_dev; } ifindex = nla_get_u32(info->attrs[WIMAX_GNL_STGET_IFIDX]); wimax_dev = wimax_dev_get_by_genl_info(info, ifindex); if (wimax_dev == NULL) goto error_no_wimax_dev; /* Execute the operation and send the result back to user space */ result = wimax_state_get(wimax_dev); dev_put(wimax_dev->net_dev); error_no_wimax_dev: d_fnend(3, NULL, "(skb %p info %p) = %d\n", skb, info, result); return result; }

Contributors

PersonTokensPropCommitsCommitProp
Paulius Zaleckas12798.45%150.00%
Fabian Frederick21.55%150.00%
Total129100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Paulius Zaleckas15198.69%150.00%
Fabian Frederick21.31%150.00%
Total153100.00%2100.00%
Directory: net/wimax
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