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[ Upstream commit 04ba54e5af8f8f0137b08cb51a0b3a2e1ea46c94 ] Smatch report warning as follows: drivers/crypto/img-hash.c:366 img_hash_dma_task() warn: variable dereferenced before check 'hdev->req' Variable dereferenced should be done after check 'hdev->req', fix it. Fixes:d358f1abbf("crypto: img-hash - Add Imagination Technologies hw hash accelerator") Fixes:10badea259("crypto: img-hash - Fix null pointer exception") Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.