Messages in this thread Patch in this message | | | From | Tang Bin <> | Subject | [PATCH] opp: Fix error check in dev_pm_opp_attach_genpd() | Date | Tue, 24 May 2022 20:31:51 +0800 |
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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> --- 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 2945f3c1c..56cae6ee2 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2409,8 +2409,8 @@ 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) ? : -ENODATA; dev_err(dev, "Couldn't attach to pm_domain: %d\n", ret); goto err; } -- 2.20.1.windows.1
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