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Gregory CLEMENT 860b8717f7 tty: n_gsm: Fix waking up upper tty layer when room available 
[ Upstream commit 01dbb362f0a114fbce19c8abe4cd6f4710e934d5 ]

Warn the upper layer when n_gms is ready to receive data
again. Without this the associated virtual tty remains blocked
indefinitely.

Fixes: e1eaea46bb40 ("tty: n_gsm line discipline")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20200512115323.1447922-4-gregory.clement@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-24 17:50:27 +02:00
arch
powerpc/64: Don't initialise init_task->thread.regs
2020-06-24 17:50:27 +02:00
block
iocost: don't let vrate run wild while there's no saturation signal
2020-06-22 09:31:06 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: drbg - fix error return code in drbg_alloc_state()
2020-06-17 16:40:31 +02:00
Documentation
dt-bindings: display: mediatek: control dpi pins mode to avoid leakage
2020-06-22 09:30:58 +02:00
drivers
tty: n_gsm: Fix waking up upper tty layer when room available
2020-06-24 17:50:27 +02:00
fs
dlm: remove BUG() before panic()
2020-06-24 17:50:26 +02:00
include
usb: gadget: core: sync interrupt before unbind the udc
2020-06-24 17:50:16 +02:00
init
x86: Fix early boot crash on gcc-10, third try
2020-05-20 08:20:34 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
kernel/cpu_pm: Fix uninitted local in cpu_pm
2020-06-22 09:31:22 +02:00
lib
kasan: stop tests being eliminated as dead code with FORTIFY_SOURCE
2020-06-22 09:31:12 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: call cond_resched() from deferred_init_memmap()
2020-06-22 09:31:14 +02:00
net
bpf, sockhash: Fix memory leak when unlinking sockets in sock_hash_free
2020-06-24 17:50:19 +02:00
samples
samples: bpf: Fix build error
2020-06-03 08:21:15 +02:00
scripts
mksysmap: Fix the mismatch of '.L' symbols in System.map
2020-06-24 17:50:19 +02:00
security
apparmor: fix nnp subset test for unconfined
2020-06-24 17:50:20 +02:00
sound
ASoC: ti: omap-mcbsp: Fix an error handling path in 'asoc_mcbsp_probe()'
2020-06-24 17:50:26 +02:00
tools
perf symbols: Fix kernel maps for kcore and eBPF
2020-06-22 09:31:27 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: arm64: Save the host's PtrAuth keys in non-preemptible context
2020-06-17 16:40:38 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.48
2020-06-22 09:31:27 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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