Messages in this thread | | | Date | Mon, 11 Nov 2013 14:31:11 +0530 | From | Kishon Vijay Abraham I <> | Subject | Re: [PATCH] drivers: phy: fix memory leak in error handling |
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Hi Michael,
On Saturday 09 November 2013 10:58 AM, Michael Opdenacker wrote: > This fixes a memory leak in the phy_create() function. > > If ida_simple_get() returns with an error, the code jumps > to the "err0" label without freeing the "phy" pointer. > > This patch introduces a new error management label to address this. > > Issue found with Coverity (CID 1127219) > > Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
A patch has already been sent for fixing this.
https://git.kernel.org/cgit/linux/kernel/git/kishon/linux-phy.git/commit/?h=fixes
Thanks Kishon
> --- > drivers/phy/phy-core.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c > index 03cf8fb81554..8ddffe84d905 100644 > --- a/drivers/phy/phy-core.c > +++ b/drivers/phy/phy-core.c > @@ -453,7 +453,7 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, > if (id < 0) { > dev_err(dev, "unable to get id\n"); > ret = id; > - goto err0; > + goto err1; > } > > device_initialize(&phy->dev); > @@ -468,11 +468,11 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, > > ret = dev_set_name(&phy->dev, "phy-%s.%d", dev_name(dev), id); > if (ret) > - goto err1; > + goto err2; > > ret = device_add(&phy->dev); > if (ret) > - goto err1; > + goto err2; > > if (pm_runtime_enabled(dev)) { > pm_runtime_enable(&phy->dev); > @@ -481,9 +481,11 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, > > return phy; > > -err1: > +err2: > ida_remove(&phy_ida, phy->id); > put_device(&phy->dev); > + > +err1: > kfree(phy); > > err0: >
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