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Don't dereference parent pointer when it is NULL.

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MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2016-05-16 09:25:56 +00:00
parent 03219fba43
commit 88fa0d734c
1 changed files with 3 additions and 3 deletions
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6
sys/compat/linuxkpi/common/include/linux/device.h
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@ -211,11 +211,11 @@ device_register(struct device *dev)
} else if (dev->parent == NULL) {
bsddev = devclass_get_device(dev->class->bsdclass, 0);
}
if (bsddev == NULL)
if (bsddev == NULL && dev->parent != NULL) {
bsddev = device_add_child(dev->parent->bsddev,
dev->class->kobj.name, unit);
if (bsddev) {
}
if (bsddev != NULL) {
if (dev->devt == 0)
dev->devt = makedev(0, device_get_unit(bsddev));
device_set_softc(bsddev, dev);