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power: avs: qcom-cpr: fix unsigned expression compared with zero

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drivers/power/avs/qcom-cpr.c:1539:5-21:
warning: unsigned expression compared with zero: drv->num_corners < 0

Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Niklas Cassel <nks@flawful.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Niklas Cassel 2019-12-23 15:19:31 +01:00 committed by Rafael J. Wysocki
parent e808926b4d
commit cad12cdeea
1 changed files with 5 additions and 3 deletions
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8
drivers/power/avs/qcom-cpr.c
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@ -1535,11 +1535,13 @@ static int cpr_pd_attach_dev(struct generic_pm_domain *domain,
* The reason for this is that we need to know the highest
* frequency associated with each fuse corner.
*/
drv->num_corners = dev_pm_opp_get_opp_count(&drv->pd.dev);
if (drv->num_corners < 0) {
ret = drv->num_corners;
ret = dev_pm_opp_get_opp_count(&drv->pd.dev);
if (ret < 0) {
dev_err(drv->dev, "could not get OPP count\n");
goto unlock;
}
drv->num_corners = ret;
if (drv->num_corners < 2) {
dev_err(drv->dev, "need at least 2 OPPs to use CPR\n");
ret = -EINVAL;