| Message ID | 20250405032150.123786-1-superman.xpt@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | dvb: usb: cxusb: fix uninitialized var in cxusb_gpio_tuner() | expand |
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index f44529b40989..7fe858bb665e 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -111,7 +111,7 @@ int cxusb_ctrl_msg(struct dvb_usb_device *d, static void cxusb_gpio_tuner(struct dvb_usb_device *d, int onoff) { struct cxusb_state *st = d->priv; - u8 o[2], i; + u8 o[2], i = 0; if (st->gpio_write_state[GPIO_TUNER] == onoff && !st->gpio_write_refresh[GPIO_TUNER])
The function cxusb_ctrl_msg() may not set the value of the variable i, but the code uses it later. Initialize the local variable i to 0 to prevent potential issues. Reported-by: syzbot+526bd95c0ec629993bf3@syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/67f092b5.050a0220.0a13.0229.GAE@google.com Signed-off-by: Penglei Jiang <superman.xpt@gmail.com> --- drivers/media/usb/dvb-usb/cxusb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)