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Filename Latest commit message Latest commit date
Sudip Mukherjee e379c1a460 char: lp: properly count the lp devices
When the parallel port is usb based and the lp attaches to it based on
LP_PARPORT_AUTO, we do get /dev/lp0 and when we remove the usb device
/dev/lp0 is unregistered. If we now reconnect the usb device we get
our /dev/lp0 back. But if we now disconnect and reconnect eight times
we donot get any lp device and dmesg shows:

    lp: ignoring parallel port (max. 8)

Decrement the lp_count when the device detaches as this represents the
number of lp devices connected to the system.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-19 10:40:17 +01:00
arch Merge 4.20-rc6 into char-misc-next 2018-12-10 09:22:34 +01:00
block
certs
crypto
Documentation thunderbolt: Changes for v4.21 merge window 2018-12-10 13:26:17 +01:00
drivers char: lp: properly count the lp devices 2018-12-19 10:40:17 +01:00
firmware
fs binder: fix use-after-free due to ksys_close() during fdget() 2018-12-19 09:40:13 +01:00
include binder: implement binderfs 2018-12-19 09:40:13 +01:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-09 15:12:33 -08:00
lib
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net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-09 15:12:33 -08:00
samples
scripts
security
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tools Merge 4.20-rc6 into char-misc-next 2018-12-10 09:22:34 +01:00
usr
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.cocciconfig
.get_maintainer.ignore
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MAINTAINERS Merge 4.20-rc6 into char-misc-next 2018-12-10 09:22:34 +01:00
Makefile Linux 4.20-rc6 2018-12-09 15:31:00 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.