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Filename Latest commit message Latest commit date
Geert Uytterhoeven e47e005598 sh: landisk: Add missing initialization of sh_io_port_base 
[ Upstream commit 0c64a0dce51faa9c706fdf1f957d6f19878f4b81 ]

The Landisk setup code maps the CF IDE area using ioremap_prot(), and
passes the resulting virtual addresses to the pata_platform driver,
disguising them as I/O port addresses.  Hence the pata_platform driver
translates them again using ioport_map().
As CONFIG_GENERIC_IOMAP=n, and CONFIG_HAS_IOPORT_MAP=y, the
SuperH-specific mapping code in arch/sh/kernel/ioport.c translates
I/O port addresses to virtual addresses by adding sh_io_port_base, which
defaults to -1, thus breaking the assumption of an identity mapping.

Fix this by setting sh_io_port_base to zero.

Fixes: 37b7a97884 ("sh: machvec IO death.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rich Felker <dalias@libc.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-21 13:05:38 +02:00
arch sh: landisk: Add missing initialization of sh_io_port_base 2020-08-21 13:05:38 +02:00
block
certs
crypto crypto: algif_aead - fix uninitialized ctx->init 2020-08-21 13:05:38 +02:00
Documentation
drivers mfd: dln2: Run event handler loop under spinlock 2020-08-21 13:05:38 +02:00
fs fs/ufs: avoid potential u32 multiplication overflow 2020-08-21 13:05:37 +02:00
include
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lib test_kmod: avoid potential double free in trigger_config_run_type() 2020-08-21 13:05:37 +02:00
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scripts recordmcount: Fix build failure on non arm64 2020-08-21 13:05:36 +02:00
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sound ALSA: echoaudio: Fix potential Oops in snd_echo_resume() 2020-08-21 13:05:38 +02:00
tools tools build feature: Quote CC and CXX for their arguments 2020-08-21 13:05:38 +02:00
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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.