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| author | Christian Brauner <brauner@kernel.org> | 2025-11-17 10:33:40 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-19 21:58:21 +0100 |
| commit | 07a891c34676205a12caa002b22d30e6d9bed49d (patch) | |
| tree | f872141cc31f23465acb76c7447daf2a5f407852 | |
| parent | 1fc4bc77c7865732694c6d32c98d990b2b1cddc8 (diff) | |
ovl: port ovl_fsync() to cred guard
Use the scoped ovl cred guard.
Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-9-b31603935724@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/overlayfs/file.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index 70ddb51297ce..92de675b697e 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -444,7 +444,6 @@ static int ovl_fsync(struct file *file, loff_t start, loff_t end, int datasync) enum ovl_path_type type; struct path upperpath; struct file *upperfile; - const struct cred *old_cred; int ret; ret = ovl_sync_status(OVL_FS(file_inode(file)->i_sb)); @@ -461,11 +460,8 @@ static int ovl_fsync(struct file *file, loff_t start, loff_t end, int datasync) if (IS_ERR(upperfile)) return PTR_ERR(upperfile); - old_cred = ovl_override_creds(file_inode(file)->i_sb); - ret = vfs_fsync_range(upperfile, start, end, datasync); - ovl_revert_creds(old_cred); - - return ret; + with_ovl_creds(file_inode(file)->i_sb) + return vfs_fsync_range(upperfile, start, end, datasync); } static int ovl_mmap(struct file *file, struct vm_area_struct *vma) |