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| author | ru <ru@FreeBSD.org> | 2005-12-20 14:26:47 +0000 |
|---|---|---|
| committer | ru <ru@FreeBSD.org> | 2005-12-20 14:26:47 +0000 |
| commit | c062801e068f9684bdff72d4789f78f61f46e395 (patch) | |
| tree | 15729f4adda4bf8dd316692f3ce6bc511287b5e2 /sys/dev/smbus/smb.c | |
| parent | 7245d518e8613a91f727a587f0d552cafff8e692 (diff) | |
| download | FreeBSD-src-c062801e068f9684bdff72d4789f78f61f46e395.zip FreeBSD-src-c062801e068f9684bdff72d4789f78f61f46e395.tar.gz | |
Stop creating duplicate "smb" devices when unloading/loading smb.ko,
using the protection mechanisms described in device_add_child(9).
Diffstat (limited to 'sys/dev/smbus/smb.c')
| -rw-r--r-- | sys/dev/smbus/smb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/smbus/smb.c b/sys/dev/smbus/smb.c index 4c1c5b1..8073cc5 100644 --- a/sys/dev/smbus/smb.c +++ b/sys/dev/smbus/smb.c @@ -97,7 +97,9 @@ static struct cdevsw smb_cdevsw = { static void smb_identify(driver_t *driver, device_t parent) { - BUS_ADD_CHILD(parent, 0, "smb", -1); + + if (!device_find_child(parent, "smb", -1)) + device_add_child(parent, "smb", -1); } static int |
