/* * File: pn_dev.h * * Phonet network device * * Copyright (C) 2008 Nokia Corporation. * * 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 St, Fifth Floor, Boston, MA * 02110-1301 USA */ #ifndef PN_DEV_H #define PN_DEV_H struct phonet_device_list { struct list_head list; struct mutex lock; }; struct phonet_device_list *phonet_device_list(struct net *net); struct phonet_device { struct list_head list; struct net_device *netdev; DECLARE_BITMAP(addrs, 64); struct rcu_head rcu; }; int phonet_device_init(void); void phonet_device_exit(void); int phonet_netlink_register(void); struct net_device *phonet_device_get(struct net *net); int phonet_address_add(struct net_device *dev, u8 addr); int phonet_address_del(struct net_device *dev, u8 addr); u8 phonet_address_get(struct net_device *dev, u8 addr); int phonet_address_lookup(struct net *net, u8 addr); void phonet_address_notify(int event, struct net_device *dev, u8 addr); int phonet_route_add(struct net_device *dev, u8 daddr); int phonet_route_del(struct net_device *dev, u8 daddr); void rtm_phonet_notify(int event, struct net_device *dev, u8 dst); struct net_device *phonet_route_get_rcu(struct net *net, u8 daddr); struct net_device *phonet_route_output(struct net *net, u8 daddr); #define PN_NO_ADDR 0xff extern const struct file_operations pn_sock_seq_fops; extern const struct file_operations pn_res_seq_fops; #endif tdiff
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authorJisheng Zhang <jszhang@marvell.com>2016-11-10 17:21:29 +0800
committerMark Brown <broonie@kernel.org>2016-11-11 15:38:08 +0000
commit09f2ba0b0b7c44ecea49cf69a708203b76ba5535 (patch)
tree042df33ac99f77d8b86ac427431e267c33561c35 /net/bluetooth/amp.h
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: gpio: properly check return value of of_get_named_gpio
The function of_get_named_gpio() could return -ENOENT, -EPROBE_DEFER -EINVAL and so on. Currently, for the optional property "enable-gpio", we only check -EPROBE_DEFER, this is not enough since there may be misconfigured "enable-gpio" in the DTB, of_get_named_gpio() will return -EINVAL in this case, we should return immediately here. And for the optional property "gpios", we didn't check the return value, the driver will continue to the point where gpio_request_array() is called, it doesn't make sense to continue if we got -EPROBE_DEFER or -EINVAL here. This patch tries to address these two issues by properly checking the return value of of_get_named_gpio. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/bluetooth/amp.h')