diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-11-17 10:33:54 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-19 21:58:23 +0100 |
| commit | cb3c8cbaed041b8cf229f48b9d7503eca7969f97 (patch) | |
| tree | 8acb0bf009dbbe14cd9afadfba005a265f93c697 /fs/overlayfs | |
| parent | b1c47b3abcc6bf81cfc3b4e01faadc23ff261ba2 (diff) | |
ovl: port ovl_maybe_lookup_lowerdata() to cred guard
Use the scoped ovl cred guard.
Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-23-b31603935724@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/namei.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index dbacf02423cb..49874525cf52 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -996,7 +996,6 @@ static int ovl_maybe_lookup_lowerdata(struct dentry *dentry) struct inode *inode = d_inode(dentry); const char *redirect = ovl_lowerdata_redirect(inode); struct ovl_path datapath = {}; - const struct cred *old_cred; int err; if (!redirect || ovl_dentry_lowerdata(dentry)) @@ -1014,9 +1013,8 @@ static int ovl_maybe_lookup_lowerdata(struct dentry *dentry) if (ovl_dentry_lowerdata(dentry)) goto out; - old_cred = ovl_override_creds(dentry->d_sb); - err = ovl_lookup_data_layers(dentry, redirect, &datapath); - ovl_revert_creds(old_cred); + with_ovl_creds(dentry->d_sb) + err = ovl_lookup_data_layers(dentry, redirect, &datapath); if (err) goto out_err; |