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| author | Eric Anholt <eric@anholt.net> | 2015-12-01 09:39:31 -0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-04 01:21:17 +0100 |
| commit | 265e2cf672aaa9421e7012b4aa30c0ed80f1a447 (patch) | |
| tree | e1c7d12d6cf4c3ee213f4263f1eabd01b5696d81 /drivers/base/power/domain.c | |
| parent | 712caed435077966143a1ed2e6ae345916068d2e (diff) | |
| download | lwn-265e2cf672aaa9421e7012b4aa30c0ed80f1a447.tar.gz lwn-265e2cf672aaa9421e7012b4aa30c0ed80f1a447.zip | |
PM / Domains: Fix bad of_node_put() in failure paths of genpd_dev_pm_attach()
It looks like these meant to be unreffing the
of_parse_phandle_with_args() node, since the error paths above it
don't do of_node_put. That function returns a new ref in pd_args.np,
though, not a new ref on dev->of_node. Also, it would have leaked the
ref in the success case.
Fixes "ERROR: Bad of_node_put()" on bcm2835 in the -EPROBE_DEFER case.
Fixes: aa42240ab254 (PM / Domains: Add generic OF-based PM domain look-up)
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: 3.18+ <stable@vger.kernel.org> # 3.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base/power/domain.c')
| -rw-r--r-- | drivers/base/power/domain.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index f932058b5db6..4e3a1f108b9c 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1773,10 +1773,10 @@ int genpd_dev_pm_attach(struct device *dev) } pd = of_genpd_get_from_provider(&pd_args); + of_node_put(pd_args.np); if (IS_ERR(pd)) { dev_dbg(dev, "%s() failed to find PM domain: %ld\n", __func__, PTR_ERR(pd)); - of_node_put(dev->of_node); return -EPROBE_DEFER; } @@ -1794,7 +1794,6 @@ int genpd_dev_pm_attach(struct device *dev) if (ret < 0) { dev_err(dev, "failed to add to PM domain %s: %d", pd->name, ret); - of_node_put(dev->of_node); goto out; } |