From: Maximilian Weigand <mweigand@xxxxxxxxxxxx> commit 529de2f1ca3f0898c0d905b7d355a43dce1de7dc upstream. The cmd array should be initialized with the proper command size and not with the actual command value that is sent to the touchscreen. Signed-off-by: Maximilian Weigand <mweigand@xxxxxxxxxxxx> Reviewed-by: Alistair Francis <alistair@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230501113010.891786-2-mweigand@xxxxxxxxxxxx Fixes: 5b0c03e24a06 ("Input: Add driver for Cypress Generation 5 touchscreen") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/input/touchscreen/cyttsp5.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/cyttsp5.c b/drivers/input/touchscreen/cyttsp5.c index 30102cb80fac..3c9d07218f48 100644 --- a/drivers/input/touchscreen/cyttsp5.c +++ b/drivers/input/touchscreen/cyttsp5.c @@ -560,7 +560,7 @@ static int cyttsp5_hid_output_get_sysinfo(struct cyttsp5 *ts) static int cyttsp5_hid_output_bl_launch_app(struct cyttsp5 *ts) { int rc; - u8 cmd[HID_OUTPUT_BL_LAUNCH_APP]; + u8 cmd[HID_OUTPUT_BL_LAUNCH_APP_SIZE]; u16 crc; put_unaligned_le16(HID_OUTPUT_BL_LAUNCH_APP_SIZE, cmd); -- 2.41.0
