diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-11-17 10:33:50 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-19 21:58:22 +0100 |
| commit | a3860a808f732384f8104250fba54481e6431f32 (patch) | |
| tree | d805a43183fe260e7c90ab3bff81105e43d8052b | |
| parent | 8e9698d6e4ef92f378f2cee9f1f8e035eece6cf8 (diff) | |
ovl: port ovl_fiemap() to cred guard
Use the scoped ovl cred guard.
Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-19-b31603935724@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/overlayfs/inode.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index efc0ff84b59b..aefdb0a27e3b 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -576,9 +576,7 @@ int ovl_update_time(struct inode *inode, int flags) static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) { - int err; struct inode *realinode = ovl_inode_realdata(inode); - const struct cred *old_cred; if (!realinode) return -EIO; @@ -586,11 +584,8 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (!realinode->i_op->fiemap) return -EOPNOTSUPP; - old_cred = ovl_override_creds(inode->i_sb); - err = realinode->i_op->fiemap(realinode, fieinfo, start, len); - ovl_revert_creds(old_cred); - - return err; + with_ovl_creds(inode->i_sb) + return realinode->i_op->fiemap(realinode, fieinfo, start, len); } /* |