Thread (8 messages) flat view 8 messages, 3 authors, 2016-11-09
STALE3557d

Revision v2 of 2 in this series.

Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

[PATCH net v2 2/4] net: ethernet: ti: cpsw: fix device and of_node leaks

From: Johan Hovold <johan@kernel.org>
Date: 2016-11-03 17:42:10
Also in: linux-omap, lkml
Subsystem: networking drivers, the rest, ti ethernet switch driver (cpsw) · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Make sure to drop the references taken by of_get_child_by_name() and
bus_find_device() before returning from cpsw_phy_sel().

Note that holding a reference to the cpsw-phy-sel device does not
prevent the devres-managed private data from going away.

Fixes: 5892cd135e16 ("drivers: net: cpsw-phy-sel: Add new driver...")
Cc: Mugunthan V N <redacted>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/net/ethernet/ti/cpsw-phy-sel.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c
index 054a8dd23dae..ba1e45ff6aae 100644
--- a/drivers/net/ethernet/ti/cpsw-phy-sel.c
+++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c
@@ -176,9 +176,12 @@ void cpsw_phy_sel(struct device *dev, phy_interface_t phy_mode, int slave)
 	}
 
 	dev = bus_find_device(&platform_bus_type, NULL, node, match);
+	of_node_put(node);
 	priv = dev_get_drvdata(dev);
 
 	priv->cpsw_phy_sel(priv, phy_mode, slave);
+
+	put_device(dev);
 }
 EXPORT_SYMBOL_GPL(cpsw_phy_sel);
 
-- 
2.7.3
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