diff options
Diffstat (limited to 'sys/fs/devfs')
-rw-r--r-- | sys/fs/devfs/devfs_devs.c | 10 | ||||
-rw-r--r-- | sys/fs/devfs/devfs_vnops.c | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/sys/fs/devfs/devfs_devs.c b/sys/fs/devfs/devfs_devs.c index e351ff8..c2d40d3 100644 --- a/sys/fs/devfs/devfs_devs.c +++ b/sys/fs/devfs/devfs_devs.c @@ -186,6 +186,16 @@ devfs_find(struct devfs_dirent *dd, const char *name, int namelen, int type) continue; if (type != 0 && type != de->de_dirent->d_type) continue; + + /* + * The race with finding non-active name is not + * completely closed by the check, but it is similar + * to the devfs_allocv() in making it unlikely enough. + */ + if (de->de_dirent->d_type == DT_CHR && + (de->de_cdp->cdp_flags & CDP_ACTIVE) == 0) + continue; + if (bcmp(name, de->de_dirent->d_name, namelen) != 0) continue; break; diff --git a/sys/fs/devfs/devfs_vnops.c b/sys/fs/devfs/devfs_vnops.c index 99ad355..d3ab235 100644 --- a/sys/fs/devfs/devfs_vnops.c +++ b/sys/fs/devfs/devfs_vnops.c @@ -1023,6 +1023,9 @@ devfs_mknod(struct vop_mknod_args *ap) TAILQ_FOREACH(de, &dd->de_dlist, de_list) { if (cnp->cn_namelen != de->de_dirent->d_namlen) continue; + if (de->de_dirent->d_type == DT_CHR && + (de->de_cdp->cdp_flags & CDP_ACTIVE) == 0) + continue; if (bcmp(cnp->cn_nameptr, de->de_dirent->d_name, de->de_dirent->d_namlen) != 0) continue; |