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uio: add missing error codes

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My static checker complains that "ret" could be uninitialized at the
end, which is true but it's more likely that it would be set to zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2016-04-01 14:04:23 +03:00 committed by Greg Kroah-Hartman
parent 2fad622483
commit 0320a278b9
1 changed files with 12 additions and 4 deletions
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16
drivers/uio/uio.c
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@ -271,12 +271,16 @@ static int uio_dev_add_attributes(struct uio_device *idev)
map_found = 1;
idev->map_dir = kobject_create_and_add("maps",
&idev->dev->kobj);
if (!idev->map_dir)
if (!idev->map_dir) {
ret = -ENOMEM;
goto err_map;
}
}
map = kzalloc(sizeof(*map), GFP_KERNEL);
if (!map)
if (!map) {
ret = -ENOMEM;
goto err_map_kobj;
}
kobject_init(&map->kobj, &map_attr_type);
map->mem = mem;
mem->map = map;
@ -296,12 +300,16 @@ static int uio_dev_add_attributes(struct uio_device *idev)
portio_found = 1;
idev->portio_dir = kobject_create_and_add("portio",
&idev->dev->kobj);
if (!idev->portio_dir)
if (!idev->portio_dir) {
ret = -ENOMEM;
goto err_portio;
}
}
portio = kzalloc(sizeof(*portio), GFP_KERNEL);
if (!portio)
if (!portio) {
ret = -ENOMEM;
goto err_portio_kobj;
}
kobject_init(&portio->kobj, &portio_attr_type);
portio->port = port;
port->portio = portio;