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After commite9afc74629("hwrng: geode - Use linux/io.h instead of asm/io.h") the geode-rng driver uses devres with pci_dev->dev to keep track of resources, but does not actually register a PCI driver. This results in the following issues: 1. The driver leaks memory because the driver does not attach to a device. The driver only uses the PCI device as a reference. devm_*() functions will release resources on driver detach, which the geode-rng driver will never do. As a result, 2. The driver cannot be reloaded because there is always a use of the ioport and region after the first load of the driver. Revert the changes made bye9afc74629("hwrng: geode - Use linux/io.h instead of asm/io.h"). Cc: <stable@vger.kernel.org> Signed-off-by: Prarit Bhargava <prarit@redhat.com> Fixes:6e9b5e7688("hwrng: geode - Migrate to managed API") Cc: Matt Mackall <mpm@selenic.com> Cc: Corentin LABBE <clabbe.montjoie@gmail.com> Cc: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> Cc: Wei Yongjun <weiyongjun1@huawei.com> Cc: linux-crypto@vger.kernel.org Cc: linux-geode@lists.infradead.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.