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| author | Julia Lawall <julia@diku.dk> | 2009-09-11 06:22:09 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-11 12:54:34 -0700 |
| commit | a4b11649618ef5366ee553f4083449d6bee5d8ec (patch) | |
| tree | 50d7ffad6a9d1ab544e8ef6b7d9e0ec93ba6bb17 | |
| parent | 966a5d1b85c45f1b55abbc1b595e0b5ca14b87db (diff) | |
| download | linux-3.10-a4b11649618ef5366ee553f4083449d6bee5d8ec.tar.gz linux-3.10-a4b11649618ef5366ee553f4083449d6bee5d8ec.tar.bz2 linux-3.10-a4b11649618ef5366ee553f4083449d6bee5d8ec.zip | |
drivers/net/phy: introduce missing kfree
Error handling code following a kzalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
|
(x->f1 == NULL || ...)
|
f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/mdio-gpio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 22cdd451fb8..250e10f2c35 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -211,7 +211,7 @@ static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, new_bus = mdio_gpio_bus_init(&ofdev->dev, pdata, pdata->mdc); if (!new_bus) - return -ENODEV; + goto out_free; ret = of_mdiobus_register(new_bus, ofdev->node); if (ret) |