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| author | phk <phk@FreeBSD.org> | 2005-03-31 12:19:44 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2005-03-31 12:19:44 +0000 |
| commit | 7af1e31761f34e698cdf576e46c042b327f5a612 (patch) | |
| tree | 3f79498c2fd283a3ff468ae4f9116e9f395f4fa7 /sys/dev/firewire/fwdev.c | |
| parent | bf21be6c028410767b09b4755acb72b254e317d8 (diff) | |
| download | FreeBSD-src-7af1e31761f34e698cdf576e46c042b327f5a612.zip FreeBSD-src-7af1e31761f34e698cdf576e46c042b327f5a612.tar.gz | |
Explicitly hold a reference to the cdev we have just cloned. This
closes the race where the cdev was reclaimed before it ever made it
back to devfs lookup.
Diffstat (limited to 'sys/dev/firewire/fwdev.c')
| -rw-r--r-- | sys/dev/firewire/fwdev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/firewire/fwdev.c b/sys/dev/firewire/fwdev.c index 79c74af..ecd56c4 100644 --- a/sys/dev/firewire/fwdev.c +++ b/sys/dev/firewire/fwdev.c @@ -875,6 +875,7 @@ found: *dev = make_dev(&firewire_cdevsw, MAKEMINOR(devflag[i], unit, sub), UID_ROOT, GID_OPERATOR, 0660, "%s%d.%d", devnames[i], unit, sub); + dev_ref(*dev); (*dev)->si_flags |= SI_CHEAPCLONE; dev_depends(sc->dev, *dev); return; |
