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drivers/net/phy/mdio_bus.c: call put_device on device_register() failure

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It is required to call put_device() if device_register() fails, so that
we give up the last reference to the device.  Calling put_device allows
for mdiobus_release to be executed, kfreeing the bus.

Signed-off-by: Levente Kurusa <levex@linux.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: David Daney <david.daney@cavium.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Levente Kurusa 2014-01-30 15:45:46 -08:00 committed by Linus Torvalds
parent 54f5968db9
commit 0c692d0784
1 changed files with 1 additions and 0 deletions
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drivers/net/phy/mdio_bus.c
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@ -150,6 +150,7 @@ int mdiobus_register(struct mii_bus *bus)
err = device_register(&bus->dev); err = device_register(&bus->dev);
if (err) { if (err) {
pr_err("mii_bus %s failed to register\n", bus->id); pr_err("mii_bus %s failed to register\n", bus->id);
put_device(&bus->dev);
return -EINVAL; return -EINVAL;
} }