diff options
author | Ricardo Ribalda <ribalda@chromium.org> | 2024-01-28 16:13:57 +0000 |
---|---|---|
committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-02-28 16:00:32 +0100 |
commit | c5b9b85a60652b89500bba1325070b6f838626f4 (patch) | |
tree | 8d104792b5ca6682baeec63f95871dc948d24c77 /drivers/media | |
parent | 8796f3357f767da75b46fe9cc957546f458f4502 (diff) |
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 <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/usb/s2255/s2255drv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 3c2627712fe9..8e1de1e8bd12 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); |