Hi Jacopo, Thank you for the patch. On Tue, Feb 16, 2021 at 06:41:35PM +0100, Jacopo Mondi wrote: > The camera module initialization routine does not check the return > value of a few functions. Fix that. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > --- > drivers/media/i2c/rdacm20.c | 13 +++++++++---- > 1 file changed, 9 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c > index 56406d82b5ac..e982373908f2 100644 > --- a/drivers/media/i2c/rdacm20.c > +++ b/drivers/media/i2c/rdacm20.c > @@ -470,11 +470,16 @@ static int rdacm20_initialize(struct rdacm20_device *dev) > * Ensure that we have a good link configuration before attempting to > * identify the device. > */ > - max9271_configure_i2c(&dev->serializer, MAX9271_I2CSLVSH_469NS_234NS | > - MAX9271_I2CSLVTO_1024US | > - MAX9271_I2CMSTBT_105KBPS); > + ret = max9271_configure_i2c(&dev->serializer, > + MAX9271_I2CSLVSH_469NS_234NS | > + MAX9271_I2CSLVTO_1024US | > + MAX9271_I2CMSTBT_105KBPS); > + if (ret) > + return ret; > > - max9271_configure_gmsl_link(&dev->serializer); > + ret = max9271_configure_gmsl_link(&dev->serializer); > + if (ret) > + return ret; This looks good, so Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> But it would be more useful if max9271_configure_gmsl_link() returned errors when I2C writes fail :-) > > ret = max9271_verify_id(&dev->serializer); > if (ret < 0) -- Regards, Laurent Pinchart