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author | hselasky <hselasky@FreeBSD.org> | 2016-05-16 09:25:56 +0000 |
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committer | hselasky <hselasky@FreeBSD.org> | 2016-05-16 09:25:56 +0000 |
commit | c8b75fc824d9701ee119de24599a43d3212dd4ad (patch) | |
tree | 5f260376093984e2ff0337e02266d51ffb571d08 | |
parent | ba172014a8320954d6eb2282a9c2a1cfeac17bef (diff) | |
download | FreeBSD-src-c8b75fc824d9701ee119de24599a43d3212dd4ad.zip FreeBSD-src-c8b75fc824d9701ee119de24599a43d3212dd4ad.tar.gz |
Don't dereference parent pointer when it is NULL.
MFC after: 1 week
Sponsored by: Mellanox Technologies
-rw-r--r-- | sys/compat/linuxkpi/common/include/linux/device.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h index 4b4c232..d1a378f 100644 --- a/sys/compat/linuxkpi/common/include/linux/device.h +++ b/sys/compat/linuxkpi/common/include/linux/device.h @@ -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); |