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Joerg Roedel 4c9fb5d914 iommu: Check dev->iommu in dev_iommu_priv_get() before dereferencing it
The dev_iommu_priv_get() needs a similar check to
dev_iommu_fwspec_get() to make sure no NULL-ptr is dereferenced.

Fixes: 05a0542b45 ("iommu/amd: Store dev_data as device iommu private data")
Cc: stable@vger.kernel.org	# v5.8+
Link: https://lore.kernel.org/r/20210202145419.29143-1-joro@8bytes.org
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=211241
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-02-02 15:57:23 +01:00
arch A single fix for objtool to generate proper unwind info for newer 2021-01-31 11:48:12 -08:00
block block-5.11-2021-01-29 2021-01-29 13:50:06 -08:00
certs
crypto
Documentation A single fix for objtool to generate proper unwind info for newer 2021-01-31 11:48:12 -08:00
drivers A single EFI fix from Lukas: 2021-01-31 11:57:37 -08:00
fs NFS client bugfixes for Linux 5.11 2021-01-31 11:19:12 -08:00
include iommu: Check dev->iommu in dev_iommu_priv_get() before dereferencing it 2021-02-02 15:57:23 +01:00
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kernel A single fix for the single step reporting regression caused by getting the 2021-01-31 11:39:32 -08:00
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net NFS client bugfixes for Linux 5.11 2021-01-31 11:19:12 -08:00
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Makefile Linux 5.11-rc6 2021-01-31 13:50:09 -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.