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Zilin Guan 94ae00a809 net: mvpp2: cls: Fix memory leak in mvpp2_ethtool_cls_rule_ins() 
[ Upstream commit 09f979d1f3 ]

In mvpp2_ethtool_cls_rule_ins(), the ethtool_rule is allocated by
ethtool_rx_flow_rule_create(). If the subsequent conversion to flow
type fails, the function jumps to the clean_rule label.

However, the clean_rule label only frees efs, skipping the cleanup
of ethtool_rule, which leads to a memory leak.

Fix this by jumping to the clean_eth_rule label, which properly calls
ethtool_rx_flow_rule_destroy() before freeing efs.

Compile tested only. Issue found using a prototype static analysis tool
and code review.

Fixes: f4f1ba1819 ("net: mvpp2: cls: Report an error for unsupported flow types")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260123065716.2248324-1-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-02-06 16:41:59 +01:00
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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.