diff options
| -rw-r--r-- | arch/x86/kernel/microcode_core.c | 1 | ||||
| -rw-r--r-- | drivers/char/hw_random/core.c | 1 | ||||
| -rw-r--r-- | drivers/char/misc.c | 15 | ||||
| -rw-r--r-- | drivers/md/dm-ioctl.c | 1 | ||||
| -rw-r--r-- | drivers/net/tun.c | 1 | ||||
| -rw-r--r-- | include/linux/miscdevice.h | 1 |
6 files changed, 17 insertions, 3 deletions
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index 9c4461501fc..9371448290a 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -236,6 +236,7 @@ static const struct file_operations microcode_fops = { static struct miscdevice microcode_dev = { .minor = MICROCODE_MINOR, .name = "microcode", + .devnode = "cpu/microcode", .fops = µcode_fops, }; diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index e5d583c84e4..fc93e2fc7c7 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -153,6 +153,7 @@ static const struct file_operations rng_chrdev_ops = { static struct miscdevice rng_miscdev = { .minor = RNG_MISCDEV_MINOR, .name = RNG_MODULE_NAME, + .devnode = "hwrng", .fops = &rng_chrdev_ops, }; diff --git a/drivers/char/misc.c b/drivers/char/misc.c index a5e0db9d766..62c99fa59e2 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -168,7 +168,6 @@ static const struct file_operations misc_fops = { .open = misc_open, }; - /** * misc_register - register a miscellaneous device * @misc: device structure @@ -217,8 +216,8 @@ int misc_register(struct miscdevice * misc) misc_minors[misc->minor >> 3] |= 1 << (misc->minor & 7); dev = MKDEV(MISC_MAJOR, misc->minor); - misc->this_device = device_create(misc_class, misc->parent, dev, NULL, - "%s", misc->name); + misc->this_device = device_create(misc_class, misc->parent, dev, + misc, "%s", misc->name); if (IS_ERR(misc->this_device)) { err = PTR_ERR(misc->this_device); goto out; @@ -264,6 +263,15 @@ int misc_deregister(struct miscdevice *misc) EXPORT_SYMBOL(misc_register); EXPORT_SYMBOL(misc_deregister); +static char *misc_nodename(struct device *dev) +{ + struct miscdevice *c = dev_get_drvdata(dev); + + if (c->devnode) + return kstrdup(c->devnode, GFP_KERNEL); + return NULL; +} + static int __init misc_init(void) { int err; @@ -279,6 +287,7 @@ static int __init misc_init(void) err = -EIO; if (register_chrdev(MISC_MAJOR,"misc",&misc_fops)) goto fail_printk; + misc_class->nodename = misc_nodename; return 0; fail_printk: diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 823ceba6efa..1128d3fba79 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1513,6 +1513,7 @@ static const struct file_operations _ctl_fops = { static struct miscdevice _dm_misc = { .minor = MISC_DYNAMIC_MINOR, .name = DM_NAME, + .devnode = "mapper/control", .fops = &_ctl_fops }; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 811d3517fce..11a0ba47b67 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1366,6 +1366,7 @@ static const struct file_operations tun_fops = { static struct miscdevice tun_miscdev = { .minor = TUN_MINOR, .name = "tun", + .devnode = "net/tun", .fops = &tun_fops, }; diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index beb6ec99cfe..05211774462 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -41,6 +41,7 @@ struct miscdevice { struct list_head list; struct device *parent; struct device *this_device; + const char *devnode; }; extern int misc_register(struct miscdevice * misc); |