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ovl: port ovl_fileattr_get() to cred guard

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Use the scoped ovl cred guard.

Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-21-b31603935724@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-11-17 10:33:52 +01:00
parent af1d5d62f3
commit 4975e683c2
1 changed files with 2 additions and 4 deletions
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6
fs/overlayfs/inode.c
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@@ -712,15 +712,13 @@ int ovl_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
{
struct inode *inode = d_inode(dentry);
struct path realpath;
const struct cred *old_cred;
int err;
ovl_path_real(dentry, &realpath);
old_cred = ovl_override_creds(inode->i_sb);
err = ovl_real_fileattr_get(&realpath, fa);
with_ovl_creds(inode->i_sb)
err = ovl_real_fileattr_get(&realpath, fa);
ovl_fileattr_prot_flags(inode, fa);
ovl_revert_creds(old_cred);
return err;
}