Dan Carpenter 29afbd769c phy: cadence: Sierra: fix error handling bugs in probe()
There are two bugs in the error handling:
1: If devm_of_phy_provider_register() fails then there was no cleanup.
2: The error handling called of_node_put(child) improperly leading to
   a use after free.  We are only holding the reference inside the loop
   so the last two gotos after the loop lead to a use after free bug.
   Fix this by cleaning up the partial allocations (or partial iterations)
   in the loop before doing the goto.

Fixes: a43f72ae13 ("phy: cadence: Sierra: Change MAX_LANES of Sierra to 16")
Fixes: 44d30d6228 ("phy: cadence: Add driver for Sierra PHY")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220115115146.GC7552@kili
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-01-24 09:35:31 +05:30
2022-01-22 08:33:37 +02:00
2022-01-22 08:33:37 +02:00
2022-01-23 10:12:53 +02:00

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.
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