On Thu, Sep 26, 2019 at 05:53:10AM -0700, Guenter Roeck wrote: > On Wed, Sep 25, 2019 at 02:02:19PM +0300, Dan Carpenter wrote: > > The "port->typec_caps.data" and "port->typec_caps.type" variables are > > enums and in this context GCC will treat them as an unsigned int so they > > can never be less than zero. > > > > Fixes: ae8a2ca8a221 ("usb: typec: Group all TCPCI/TCPM code together") > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > --- > > drivers/usb/typec/tcpm/tcpm.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c > > index 96562744101c..d3b63e000ae2 100644 > > --- a/drivers/usb/typec/tcpm/tcpm.c > > +++ b/drivers/usb/typec/tcpm/tcpm.c > > @@ -4410,7 +4410,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port, > > ret = fwnode_property_read_string(fwnode, "data-role", &cap_str); > > if (ret == 0) { > > port->typec_caps.data = typec_find_port_data_role(cap_str); > > - if (port->typec_caps.data < 0) > > + if ((int)port->typec_caps.data < 0) > > return -EINVAL; > > Doesn't that also cause a warning about overwriting error return codes ? I'm happy that you think there is a tool which generates warnings like that but it's just people manually complaining. :P I'll resend though. regards, dan carpenter