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| author | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
| commit | 87e8b821ed8db3dab03d96cd542e29666bf210aa (patch) | |
| tree | 0027060473aafbbb125655ba027319c8a1a665fc /drivers/base/devtmpfs.c | |
| parent | 33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff) | |
| parent | 5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/base/devtmpfs.c')
| -rw-r--r-- | drivers/base/devtmpfs.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index 42ae452b36b0..dac478c6e460 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -301,6 +301,19 @@ int devtmpfs_delete_node(struct device *dev) if (dentry->d_inode) { err = vfs_getattr(nd.path.mnt, dentry, &stat); if (!err && dev_mynode(dev, dentry->d_inode, &stat)) { + struct iattr newattrs; + /* + * before unlinking this node, reset permissions + * of possible references like hardlinks + */ + newattrs.ia_uid = 0; + newattrs.ia_gid = 0; + newattrs.ia_mode = stat.mode & ~0777; + newattrs.ia_valid = + ATTR_UID|ATTR_GID|ATTR_MODE; + mutex_lock(&dentry->d_inode->i_mutex); + notify_change(dentry, &newattrs); + mutex_unlock(&dentry->d_inode->i_mutex); err = vfs_unlink(nd.path.dentry->d_inode, dentry); if (!err || err == -ENOENT) |