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authorgleb <gleb@FreeBSD.org>2012-05-16 10:44:09 +0000
committergleb <gleb@FreeBSD.org>2012-05-16 10:44:09 +0000
commit3288f283ffb15bb0d83572220243e790cffe0209 (patch)
tree337ab8d770eb1aa09bec1bd91f8f24f48826aa0e /sys/kern/vfs_default.c
parent5eb63ec7dd1e2a7728305682d0c7339f0754298c (diff)
downloadFreeBSD-src-3288f283ffb15bb0d83572220243e790cffe0209.zip
FreeBSD-src-3288f283ffb15bb0d83572220243e790cffe0209.tar.gz
Skip directory entries with zero inode number during traversal.
Entries with zero inode number are considered placeholders by libc and UFS. Fix remaining uses of VOP_READDIR in kernel: vop_stdvptocnp, unionfs. Sponsored by: Google Summer of Code 2011
Diffstat (limited to 'sys/kern/vfs_default.c')
-rw-r--r--sys/kern/vfs_default.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index 4e62765..91b30a8 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -343,8 +343,8 @@ dirent_exists(struct vnode *vp, const char *dirname, struct thread *td)
if (error)
goto out;
- if ((dp->d_type != DT_WHT) &&
- !strcmp(dp->d_name, dirname)) {
+ if (dp->d_type != DT_WHT && dp->d_fileno != 0 &&
+ strcmp(dp->d_name, dirname) == 0) {
found = 1;
goto out;
}
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