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AJvYcCWk6baLkQ3yHY1SUHdVDkEfhD7HSsVygn9mPWJUeUS6s46517QgxLFFtSEo2jdYO8HxHQ542Mv0+SHPjWmyTNaILcsK5ZFdmePVKpFP X-Gm-Message-State: AOJu0YyntU81ky77fqFFlD5/UjMrt4kM3Y0RditsZznM9biwtwq3NuMR jXVU4PHlc0wZwkomRJGXA6N2P94Szf+ZdEnQZSnPBser26brkIXvP0HvGqCcH3cK8//5MLeNubQ = X-Received: by 2002:a05:6a20:4907:b0:1a3:4469:5967 with SMTP id ft7-20020a056a20490700b001a344695967mr7091773pzb.57.1711003407287; Wed, 20 Mar 2024 23:43:27 -0700 (PDT) Received: from fshao-p620.tpe.corp.google.com ([2401:fa00:1:10:c1ff:a4cf:ac35:8df6]) by smtp.gmail.com with ESMTPSA id lb3-20020a056a004f0300b006e664031f10sm12874938pfb.51.2024.03.20.23.43.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Mar 2024 23:43:26 -0700 (PDT) From: Fei Shao To: Mark Brown , AngeloGioacchino Del Regno Cc: Fei Shao , Daniel Kurtz , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-spi@vger.kernel.org Subject: [PATCH 0/2] Fixes NULL pointer access in spi-mt65xx.c Date: Thu, 21 Mar 2024 14:41:00 +0800 Message-ID: <20240321064313.1385316-1-fshao@chromium.org> X-Mailer: git-send-email 2.44.0.396.g6e790dbe36-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, This series contains two patches for spi-mt65xx.c, both focusing on its interrupt handler mtk_spi_interrupt(). The first patch is to fix a NULL pointer access in the interrupt handler, which is first found on a MT8186 Chromebook device when the system tries to establish host communication with its embedded controller. The second one is a decorative clean-up when I'm working on the first patch, which simply renames a variable to better follow the rest of the code. I put this after the first fix because I think that will make maintainers and users slightly easier to only backport the fix if needed. Looking forward to any feedback, thank you. Regards, Fei Fei Shao (2): spi: spi-mt65xx: Fix NULL pointer access in interrupt handler spi: spi-mt65xx: Rename a variable in interrupt handler drivers/spi/spi-mt65xx.c | 47 ++++++++++++++++++++-------------------- 1 file changed, 23 insertions(+), 24 deletions(-) -- 2.44.0.396.g6e790dbe36-goog