On 31/05/16 22:08, Luis de Bethencourt wrote: > sca3000_read_ctrl_reg() returns a negative number on failure, check for > this instead of zero. > > Signed-off-by: Luis de Bethencourt <luisbg@xxxxxxxxxxxxxxx> > Reviewed-by: Andrew F. Davis <afd@xxxxxx> > Reviewed-by: Jonathan Cameron <jic23@xxxxxxxxxx> > --- > > Patch corrected thanks to comments from Andrew F. Davis and Jonathan Cameron. > https://lkml.org/lkml/2016/5/31/862 > > Thanks, > Luis > > drivers/staging/iio/accel/sca3000_core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c > index a8f533a..ec12181 100644 > --- a/drivers/staging/iio/accel/sca3000_core.c > +++ b/drivers/staging/iio/accel/sca3000_core.c > @@ -594,7 +594,7 @@ static ssize_t sca3000_read_frequency(struct device *dev, > goto error_ret_mut; > ret = sca3000_read_ctrl_reg(st, SCA3000_REG_CTRL_SEL_OUT_CTRL); > mutex_unlock(&st->lock); > - if (ret) > + if (ret < 0) > goto error_ret; > val = ret; > if (base_freq > 0) > I sent this with git send-email using --subject-prefix="PATCH v2", no idea why the version wasn't added. Apologies, Luis _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel