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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2014-02-18 09:19:26 +0400 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-02-18 21:49:04 +0400 |
| commit | b075dd40c95d11c2c8690f6c4d6232fc0d9e7f56 (patch) | |
| tree | aa1b247224669876a1fda5ce414a45984139a902 /drivers/bluetooth/hci_vhci.c | |
| parent | 2426f3a5945ce1dfdb04aaf26748a987be49ff7c (diff) | |
| download | linux-b075dd40c95d11c2c8690f6c4d6232fc0d9e7f56.tar.xz | |
Bluetooth: allocate static minor for vhci
Commit bfacbb9 (Bluetooth: Use devname:vhci module alias for virtual HCI
driver) added the module alias to hci_vhci module so it's possible to
create the /dev/vhci node. However creating an alias without
specifying the minor doesn't allow us to create the node ahead,
triggerring module auto-load when it's first accessed.
Starting with depmod from kmod 16 we started to warn if there's a
devname alias without specifying the major and minor.
Let's do the same done for uhid, kvm, fuse and others, specifying a
fixed minor. In systems with systemd as the init the following will
happen: on early boot systemd will call "kmod static-nodes" to read
/lib/modules/$(uname -r)/modules.devname and then create the nodes. When
first accessed these "dead" nodes will trigger the module loading.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/hci_vhci.c')
| -rw-r--r-- | drivers/bluetooth/hci_vhci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index 1ef6990a5c7e..add1c6a72063 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -359,7 +359,7 @@ static const struct file_operations vhci_fops = { static struct miscdevice vhci_miscdev= { .name = "vhci", .fops = &vhci_fops, - .minor = MISC_DYNAMIC_MINOR, + .minor = VHCI_MINOR, }; static int __init vhci_init(void) @@ -385,3 +385,4 @@ MODULE_DESCRIPTION("Bluetooth virtual HCI driver ver " VERSION); MODULE_VERSION(VERSION); MODULE_LICENSE("GPL"); MODULE_ALIAS("devname:vhci"); +MODULE_ALIAS_MISCDEV(VHCI_MINOR); |