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[1/6] phy: core: Fix API devm_phy_put() can not release the phy

Message ID 20241020-phy_core_fix-v1-1-078062f7da71@quicinc.com
State New
Headers show
Series phy: core: Fix bugs for several APIs and simplify an API | expand

Commit Message

Zijun Hu Oct. 20, 2024, 5:27 a.m. UTC 
From: Zijun Hu <quic_zijuhu@quicinc.com>

For devm_phy_put(), its comment says it needs to invoke phy_put() to
release the phy, but it does not do that actually, so it can not fully
undo what the API devm_phy_get() does, that is wrong, fixed by using
devres_release() instead of devres_destroy() within the API.

BTW, the API is directly used by below source files in error handling
path, so also fix relevant issue within these source files:
drivers/pci/controller/cadence/pcie-cadence.c
drivers/net/ethernet/ti/am65-cpsw-nuss.c

Fixes: ff764963479a ("drivers: phy: add generic PHY framework")
Cc: stable@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
---
 drivers/phy/phy-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index f053b525ccff..f190d7126613 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -737,7 +737,7 @@  void devm_phy_put(struct device *dev, struct phy *phy)
 	if (!phy)
 		return;
 
-	r = devres_destroy(dev, devm_phy_release, devm_phy_match, phy);
+	r = devres_release(dev, devm_phy_release, devm_phy_match, phy);
 	dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");
 }
 EXPORT_SYMBOL_GPL(devm_phy_put);