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| author | Evgeniy Polyakov <johnpol@2ka.mipt.ru> | 2005-07-27 13:10:11 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-08 14:41:25 -0700 |
| commit | 2d8331792ea3f5ccfd147288afba148537337019 (patch) | |
| tree | 7d144ae862363a5fd6bfa031cca04a42cc79d879 | |
| parent | 1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff) | |
| download | linux-3.10-2d8331792ea3f5ccfd147288afba148537337019.tar.gz linux-3.10-2d8331792ea3f5ccfd147288afba148537337019.tar.bz2 linux-3.10-2d8331792ea3f5ccfd147288afba148537337019.zip | |
[PATCH] W1: w1_netlink: New init/fini netlink callbacks.
They are guarded with NETLINK_DISABLE compile time options,
so if CONFIG_NET is disabled, no linking errors occur.
Bug noticed by Adrian Bunk <bunk@stusta.de>.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/w1/w1_int.c | 16 | ||||
| -rw-r--r-- | drivers/w1/w1_netlink.c | 26 | ||||
| -rw-r--r-- | drivers/w1/w1_netlink.h | 2 |
3 files changed, 34 insertions, 10 deletions
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index 498ad505fa5..2a538d01219 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -88,17 +88,14 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, dev->groups = 1; dev->seq = 1; - dev->nls = netlink_kernel_create(NETLINK_W1, 1, NULL, THIS_MODULE); - if (!dev->nls) { - printk(KERN_ERR "Failed to create new netlink socket(%u) for w1 master %s.\n", - NETLINK_NFLOG, dev->dev.bus_id); - } + dev_init_netlink(dev); err = device_register(&dev->dev); if (err) { printk(KERN_ERR "Failed to register master device. err=%d\n", err); - if (dev->nls && dev->nls->sk_socket) - sock_release(dev->nls->sk_socket); + + dev_fini_netlink(dev); + memset(dev, 0, sizeof(struct w1_master)); kfree(dev); dev = NULL; @@ -107,11 +104,10 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, return dev; } -static void w1_free_dev(struct w1_master *dev) +void w1_free_dev(struct w1_master *dev) { device_unregister(&dev->dev); - if (dev->nls && dev->nls->sk_socket) - sock_release(dev->nls->sk_socket); + dev_fini_netlink(dev); memset(dev, 0, sizeof(struct w1_master) + sizeof(struct w1_bus_master)); kfree(dev); } diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c index e7b774423dd..328645da797 100644 --- a/drivers/w1/w1_netlink.c +++ b/drivers/w1/w1_netlink.c @@ -57,10 +57,36 @@ void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg) nlmsg_failure: return; } + +int dev_init_netlink(struct w1_master *dev) +{ + dev->nls = netlink_kernel_create(NETLINK_W1, 1, NULL, THIS_MODULE); + if (!dev->nls) { + printk(KERN_ERR "Failed to create new netlink socket(%u) for w1 master %s.\n", + NETLINK_W1, dev->dev.bus_id); + } + + return 0; +} + +void dev_fini_netlink(struct w1_master *dev) +{ + if (dev->nls && dev->nls->sk_socket) + sock_release(dev->nls->sk_socket); +} #else #warning Netlink support is disabled. Please compile with NET support enabled. void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg) { } + +int dev_init_netlink(struct w1_master *dev) +{ + return 0; +} + +void dev_fini_netlink(struct w1_master *dev) +{ +} #endif diff --git a/drivers/w1/w1_netlink.h b/drivers/w1/w1_netlink.h index 8615756946d..eb0c8b3152c 100644 --- a/drivers/w1/w1_netlink.h +++ b/drivers/w1/w1_netlink.h @@ -52,6 +52,8 @@ struct w1_netlink_msg #ifdef __KERNEL__ void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *); +int dev_init_netlink(struct w1_master *dev); +void dev_fini_netlink(struct w1_master *dev); #endif /* __KERNEL__ */ #endif /* __W1_NETLINK_H */ |