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authorPeter Senna Tschudin <peter.senna@gmail.com>2012-10-28 06:12:01 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-11-03 01:36:06 (GMT)
commitaa731872f7d33dcb8b54dad0cfb82d4e4d195d7e (patch)
treef8994162cac3f92d9a9579f51eb3fe563f0aad4c
parent57c10b61c84bfed68b1b317d6f507a392724b9c4 (diff)
downloadlinux-aa731872f7d33dcb8b54dad0cfb82d4e4d195d7e.tar.xz
drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0 Calling mdiobus_free without calling mdiobus_unregister causes BUG_ON(). This patch fixes the issue. The semantic patch that found this issue(http://coccinelle.lip6.fr/): // <smpl> @@ expression E; @@ ... when != mdiobus_unregister(E); + mdiobus_unregister(E); mdiobus_free(E); // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/mdio-bitbang.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index daec9b0..6428fcb 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
struct mdiobb_ctrl *ctrl = bus->priv;
module_put(ctrl->ops->owner);
+ mdiobus_unregister(bus);
mdiobus_free(bus);
}
EXPORT_SYMBOL(free_mdio_bitbang);