David Herrmann 0e01faab56
HID: uhid: allocate static minor ...
commit 19872d20c890073c5207d9e02bb8f14d451a11eb upstream.
udev has this nice feature of creating "dead" /dev/<node> device-nodes if
it finds a devnode:<node> modalias. Once the node is accessed, the kernel
automatically loads the module that provides the node. However, this
requires udev to know the major:minor code to use for the node. This
feature was introduced by:
commit 578454ff7ekay.sievers@vrfy.org >
Date: Thu May 20 18:07:20 2010 +0200
driver core: add devname module aliases to allow module on-demand auto-loading
However, uhid uses dynamic minor numbers so this doesn't actually work. We
need to load uhid to know which minor it's going to use.
Hence, allocate a static minor (just like uinput does) and we're good
to go.
Reported-by: Tom Gundersen <teg@jklm.no >
Signed-off-by: David Herrmann <dh.herrmann@gmail.com >
Signed-off-by: Jiri Kosina <jkosina@suse.cz >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
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David Herrmann
0e01faab56