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Merge branch 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-opp

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Pull regression fix for the operating performance points (OPP)
framework for v5.15 from Viresh Kumar:

"This fixes regression in the OPP core for a corner case."

* 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  opp: core: Check for pending links before reading required_opp pointers
This commit is contained in:
Rafael J. Wysocki 2021-08-23 13:51:30 +02:00
parent e22ce8eb63 19526d092c
commit 1f8b66d965
1 changed files with 4 additions and 4 deletions
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8
drivers/opp/core.c
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@ -893,6 +893,10 @@ static int _set_required_opps(struct device *dev,
if (!required_opp_tables)
return 0;
/* required-opps not fully initialized yet */
if (lazy_linking_pending(opp_table))
return -EBUSY;
/*
* We only support genpd's OPPs in the "required-opps" for now, as we
* don't know much about other use cases. Error out if the required OPP
@ -903,10 +907,6 @@ static int _set_required_opps(struct device *dev,
return -ENOENT;
}
/* required-opps not fully initialized yet */
if (lazy_linking_pending(opp_table))
return -EBUSY;
/* Single genpd case */
if (!genpd_virt_devs)
return _set_required_opp(dev, dev, opp, 0);