diff options
| author | Peter Senna Tschudin <peter.senna@gmail.com> | 2012-10-28 06:12:01 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-03 01:36:06 (GMT) |
| commit | aa731872f7d33dcb8b54dad0cfb82d4e4d195d7e (patch) | |
| tree | f8994162cac3f92d9a9579f51eb3fe563f0aad4c | |
| parent | 57c10b61c84bfed68b1b317d6f507a392724b9c4 (diff) | |
| download | linux-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.c | 1 |
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); |