From c5b9b85a60652b89500bba1325070b6f838626f4 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Sun, 28 Jan 2024 16:13:57 +0000 Subject: [PATCH] media: usb: s2255: Refactor s2255_get_fx2fw Resize the buffer to the actual size needed and initialize it. With this we can convince gcc-11 that the variable is not used uninitialized. drivers/media/usb/s2255/s2255drv.c:1914:25: warning: 'transBuffer' may be used uninitialized [-Wmaybe-uninitialized] Signed-off-by: Ricardo Ribalda Signed-off-by: Hans Verkuil --- drivers/media/usb/s2255/s2255drv.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 3c2627712fe9d..8e1de1e8bd127 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -1906,9 +1906,10 @@ static int s2255_get_fx2fw(struct s2255_dev *dev) { int fw; int ret; - unsigned char transBuffer[64]; - ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, - S2255_VR_IN); + u8 transBuffer[2] = {}; + + ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, + sizeof(transBuffer), S2255_VR_IN); if (ret < 0) dprintk(dev, 2, "get fw error: %x\n", ret); fw = transBuffer[0] + (transBuffer[1] << 8); -- 2.30.2