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[ Upstream commit 6238784e502b6a9fbeb3a6b77284b29baa4135cc ] The error handling path in pci_p2pdma_add_resource() contains a bug in its `pgmap_free` label. Memory is allocated for the `p2p_pgmap` struct, and the pointer is stored in `p2p_pgmap`. However, the error path calls devm_kfree() with `pgmap`, which is a pointer to a member field within the `p2p_pgmap` struct, not the base pointer of the allocation. Correct the bug by passing the correct base pointer, `p2p_pgmap`, to devm_kfree(). Signed-off-by: Sungho Kim <sungho.kim@furiosa.ai> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Link: https://patch.msgid.link/20250820105714.2939896-1-sungho.kim@furiosa.ai Signed-off-by: Sasha Levin <sashal@kernel.org>
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.