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ppdev: fix memory leak

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The variable name was only released if parport_register_dev_model()
fails. Now that we are using the device-model the parport driver
will duplicate the name and use it. So we can release the variable
after the device has been registered with the parport.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2016-11-10 22:11:59 +00:00 committed by Greg Kroah-Hartman
parent 9ff2007bea
commit 2bd362d5f4
1 changed files with 1 additions and 1 deletions
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2
drivers/char/ppdev.c
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@ -305,10 +305,10 @@ static int register_device(int minor, struct pp_struct *pp)
ppdev_cb.private = pp;
pdev = parport_register_dev_model(port, name, &ppdev_cb, minor);
parport_put_port(port);
kfree(name);
if (!pdev) {
printk(KERN_WARNING "%s: failed to register device!\n", name);
kfree(name);
return -ENXIO;
}