In cx231xx_i2c_register, if dev->cx231xx_send_usb_command is NULL, the code crashes. However, the callers in cx231xx-core are able to handle the error without crashing. This patch fixes this issue. Signed-off-by: Aditya Pakki <pakki001@xxxxxxx> --- drivers/media/usb/cx231xx/cx231xx-i2c.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index f33b6a077d57..c6659253c6fb 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -515,7 +515,8 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus) { struct cx231xx *dev = bus->dev; - BUG_ON(!dev->cx231xx_send_usb_command); + if (!dev->cx231xx_send_usb_command) + return -EINVAL; bus->i2c_adap = cx231xx_adap_template; bus->i2c_adap.dev.parent = dev->dev; -- 2.20.1