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ovl: port ovl_check_empty_dir() to cred guard 

Use the scoped ovl cred guard.

Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-27-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 10:33:58 +01:00
parent 5517646e14
commit 67bc75e6f4
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 4 deletions
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6
fs/overlayfs/readdir.c
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@ -1077,11 +1077,9 @@ int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list)
int err;
struct ovl_cache_entry *p, *n;
struct rb_root root = RB_ROOT;
const struct cred *old_cred;
old_cred = ovl_override_creds(dentry->d_sb);
err = ovl_dir_read_merged(dentry, list, &root);
ovl_revert_creds(old_cred);
with_ovl_creds(dentry->d_sb)
err = ovl_dir_read_merged(dentry, list, &root);
if (err)
return err;