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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-12-30 18:19:34 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-12-30 18:19:34 +0100
commit977a3b0f6e40514ccdc959cc82b1eb96b636941a (patch)
tree66dbf8c4b0bb05eff4f6e35ad009bfc07b75a134
parent5c8fe583cce542aa0b84adc939ce85293de36e5e (diff)
parent0e1d9ca1766f5d95fb881f57b6c4a1ffa63d4648 (diff)
downloadlinux-977a3b0f6e40514ccdc959cc82b1eb96b636941a.tar.gz
Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull operating performance points (OPP) framework fixes for 5.11-rc2
from Viresh Kumar:

"This contains two patches to fix freeing of resources in error paths."

* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  opp: Call the missing clk_put() on error
  opp: fix memory leak in _allocate_opp_table
-rw-r--r--drivers/opp/core.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 4268eb359915..8c905aabacc0 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1092,7 +1092,7 @@ static struct opp_table *_allocate_opp_table(struct device *dev, int index)
 	if (IS_ERR(opp_table->clk)) {
 		ret = PTR_ERR(opp_table->clk);
 		if (ret == -EPROBE_DEFER)
-			goto err;
+			goto remove_opp_dev;
 
 		dev_dbg(dev, "%s: Couldn't find clock: %d\n", __func__, ret);
 	}
@@ -1101,7 +1101,7 @@ static struct opp_table *_allocate_opp_table(struct device *dev, int index)
 	ret = dev_pm_opp_of_find_icc_paths(dev, opp_table);
 	if (ret) {
 		if (ret == -EPROBE_DEFER)
-			goto err;
+			goto put_clk;
 
 		dev_warn(dev, "%s: Error finding interconnect paths: %d\n",
 			 __func__, ret);
@@ -1113,6 +1113,11 @@ static struct opp_table *_allocate_opp_table(struct device *dev, int index)
 
 	return opp_table;
 
+put_clk:
+	if (!IS_ERR(opp_table->clk))
+		clk_put(opp_table->clk);
+remove_opp_dev:
+	_remove_opp_dev(opp_dev, opp_table);
 err:
 	kfree(opp_table);
 	return ERR_PTR(ret);