staging: comedi: fix potentially uninitialised variable

If none of the if conditions take a true path, the ret variable will
never be assigned a value.

Signed-off-by: Michal Nazarewicz <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index 933b01a0f03d4274e4f82ced6240a79f78b2c742..0adf3cffddb07251f09d961eedc490206db88fb3 100644 (file)
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -465,7 +465,7 @@ static int vmk80xx_do_insn_bits(struct comedi_device *dev,
        unsigned char *rx_buf = devpriv->usb_rx_buf;
        unsigned char *tx_buf = devpriv->usb_tx_buf;
        int reg, cmd;
-       int ret;
+       int ret = 0;
 
        if (devpriv->model == VMK8061_MODEL) {
                reg = VMK8061_DO_REG;