Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH v2 2/6] phy: core: Fix error path in phy_create() | Date | Fri, 4 Jul 2014 12:55:44 +0300 |
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Prevent resources from being freed twice in case device_add() call fails within phy_create(). Also use ida_simple_remove() instead of ida_remove() as we had used ida_simple_get() to allocate the ida.
Signed-off-by: Roger Quadros <rogerq@ti.com> --- drivers/phy/phy-core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index c64a2f3..49c4465 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -614,8 +614,9 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, return phy; put_dev: - put_device(&phy->dev); - ida_remove(&phy_ida, phy->id); + put_device(&phy->dev); /* calls phy_release() which frees resources */ + return ERR_PTR(ret); + free_phy: kfree(phy); return ERR_PTR(ret); @@ -799,7 +800,7 @@ static void phy_release(struct device *dev) phy = to_phy(dev); dev_vdbg(dev, "releasing '%s'\n", dev_name(dev)); - ida_remove(&phy_ida, phy->id); + ida_simple_remove(&phy_ida, phy->id); kfree(phy); } -- 1.8.3.2
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