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Tue, 20 Oct 2026 16:51:52 -0700 (PDT) Received: from tutebook.tail57d09c.ts.net ([2803:9800:a0a8:8014:618c:a663:bfd0:635e]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-5eae983a9aesm1172772e0c.16.2026.10.20.16.51.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2026 16:51:52 -0700 (PDT) From: TuteMthCD To: platform-driver-x86@vger.kernel.org Cc: linux-kernel@vger.kernel.org, qby140326@gmail.com, ilya.gladyshev@linux.dev, ilpo.jarvinen@linux.intel.com, hansg@kernel.org, chris@miget.com, TuteMthCD Subject: [PATCH v3 1/2] platform/x86: bitland-mifs-wmi: Fix response payload copy size Date: Tue, 20 Oct 2026 20:49:26 -0300 Message-ID: <20261020234927.121570-2-matias.civadda2342001@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261020234927.121570-1-matias.civadda2342001@gmail.com> References: <20261020234927.121570-1-matias.civadda2342001@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit sizeof(*output->data) copies only one byte, leaving the rest uninitialized. Use sizeof(output->data) to copy the full 28-byte response payload. Signed-off-by: TuteMthCD --- drivers/platform/x86/bitland-mifs-wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/bitland-mifs-wmi.c b/drivers/platform/x86/bitland-mifs-wmi.c index 44b16b7b4034..522b38e9755e 100644 --- a/drivers/platform/x86/bitland-mifs-wmi.c +++ b/drivers/platform/x86/bitland-mifs-wmi.c @@ -265,7 +265,7 @@ static int bitland_mifs_wmi_call(struct bitland_mifs_wmi_data *data, if (output) { output->return_code = return_code; output->function = function; - memcpy(output->data, payload_data, sizeof(*output->data)); + memcpy(output->data, payload_data, sizeof(output->data)); } return 0; -- 2.56.0