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author | phk <phk@FreeBSD.org> | 2005-03-31 12:19:44 +0000 |
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committer | phk <phk@FreeBSD.org> | 2005-03-31 12:19:44 +0000 |
commit | 7af1e31761f34e698cdf576e46c042b327f5a612 (patch) | |
tree | 3f79498c2fd283a3ff468ae4f9116e9f395f4fa7 /sys/fs/devfs | |
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/fs/devfs')
-rw-r--r-- | sys/fs/devfs/devfs_vnops.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/fs/devfs/devfs_vnops.c b/sys/fs/devfs/devfs_vnops.c index 8c100ef..90139c2 100644 --- a/sys/fs/devfs/devfs_vnops.c +++ b/sys/fs/devfs/devfs_vnops.c @@ -655,6 +655,7 @@ devfs_lookupx(ap) devfs_populate(dmp); dde = devfs_itode(dmp, cdev->si_inode); + dev_rel(cdev); if (dde == NULL || *dde == NULL || *dde == DE_DELETED) goto notfound; |