From: Tang Bin tangbin@cmss.chinamobile.com
[ Upstream commit 4ea9496cbc959eb5c78f3e379199aca9ef4e386b ]
dev_pm_domain_attach_by_name() may return NULL in some cases, so IS_ERR() doesn't meet the requirements. Thus fix it.
Fixes: 6319aee10e53 ("opp: Attach genpds to devices from within OPP core") Signed-off-by: Tang Bin tangbin@cmss.chinamobile.com [ Viresh: Replace ENODATA with ENODEV ] Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/opp/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 04b4691a8aac..b2da497dd378 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2388,8 +2388,8 @@ struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, }
virt_dev = dev_pm_domain_attach_by_name(dev, *name); - if (IS_ERR(virt_dev)) { - ret = PTR_ERR(virt_dev); + if (IS_ERR_OR_NULL(virt_dev)) { + ret = PTR_ERR(virt_dev) ? : -ENODEV; dev_err(dev, "Couldn't attach to pm_domain: %d\n", ret); goto err; }