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| author | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
| commit | d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch) | |
| tree | 7362b182dedd825fc762ef7706830837e42943af /drivers/base/devtmpfs.c | |
| parent | 225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff) | |
| parent | 2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff) | |
| download | kernel-crypto-d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec.tar.gz kernel-crypto-d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec.tar.xz kernel-crypto-d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec.zip | |
Merge branch 'master' into next
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 42ae452b36b..dac478c6e46 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) |