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commit0f4f199443upstream. In iwl_pcie_ctxt_info_gen3_init there are cases that the allocated dma memory is leaked in case of error. DMA memories prph_scratch, prph_info, and ctxt_info_gen3 are allocated and initialized to be later assigned to trans_pcie. But in any error case before such assignment the allocated memories should be released. First of such error cases happens when iwl_pcie_init_fw_sec fails. Current implementation correctly releases prph_scratch. But in two sunsequent error cases where dma_alloc_coherent may fail, such releases are missing. This commit adds release for prph_scratch when allocation for prph_info fails, and adds releases for prph_scratch and prph_info when allocation for ctxt_info_gen3 fails. Fixes:2ee8240262("iwlwifi: pcie: support context information for 22560 devices") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.