lkml.org 
[lkml]   [2016]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net 2/4] net: ethernet: ti: cpsw: fix device and of_node leaks
Date
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 there is no guarantee that the devres-managed struct
cpsw_phy_sel_priv will continue to be valid until this function returns
regardless of this change.

Fixes: 5892cd135e16 ("drivers: net: cpsw-phy-sel: Add new driver...")
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..589beb843f56 100644
--- a/drivers/net/ethernet/ti/cpsw-phy-sel.c
+++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c
@@ -176,8 +176,11 @@ 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);

+ put_device(dev);
+
priv->cpsw_phy_sel(priv, phy_mode, slave);
}
EXPORT_SYMBOL_GPL(cpsw_phy_sel);
--
2.7.3
\
 
 \ /
  Last update: 2016-11-01 12:04    [W:0.068 / U:2.328 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site