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| author | Kay Sievers <kay.sievers@vrfy.org> | 2009-10-28 19:50:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 11:24:51 -0800 |
| commit | 0092699643703aefca6af0aa758a73f1624d53be (patch) | |
| tree | 7d6a4f563f995afea99e9a6b66af974f1bfa7437 /drivers/base | |
| parent | f38506c49dab2751567423865941f32f2ea61c45 (diff) | |
| download | lwn-0092699643703aefca6af0aa758a73f1624d53be.tar.gz lwn-0092699643703aefca6af0aa758a73f1624d53be.zip | |
Driver Core: devtmpfs: ignore umask while setting file mode
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/devtmpfs.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index a1cb5afe6801..48526b935682 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -156,34 +156,40 @@ int devtmpfs_create_node(struct device *dev) mode |= S_IFCHR; curr_cred = override_creds(&init_cred); + err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt, nodename, LOOKUP_PARENT, &nd); if (err == -ENOENT) { - /* create missing parent directories */ create_path(nodename); err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt, nodename, LOOKUP_PARENT, &nd); - if (err) - goto out; } + if (err) + goto out; dentry = lookup_create(&nd, 0); if (!IS_ERR(dentry)) { - int umask; - - umask = sys_umask(0000); err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, dev->devt); - sys_umask(umask); - /* mark as kernel created inode */ - if (!err) + if (!err) { + struct iattr newattrs; + + /* fixup possibly umasked mode */ + newattrs.ia_mode = mode; + newattrs.ia_valid = ATTR_MODE; + mutex_lock(&dentry->d_inode->i_mutex); + notify_change(dentry, &newattrs); + mutex_unlock(&dentry->d_inode->i_mutex); + + /* mark as kernel-created inode */ dentry->d_inode->i_private = &dev_mnt; + } dput(dentry); } else { err = PTR_ERR(dentry); } - mutex_unlock(&nd.path.dentry->d_inode->i_mutex); + mutex_unlock(&nd.path.dentry->d_inode->i_mutex); path_put(&nd.path); out: kfree(tmp); |