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ovl: remove struct ovl_cu_creds and associated functions

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Now that we have this all ported to a cred guard remove the struct and
the associated helpers.

Link: https://patch.msgid.link/20251114-work-ovl-cred-guard-copyup-v1-5-ea3fb15cf427@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-11-14 23:45:26 +01:00
parent 72f098f0dd
commit 2c42b6ce4a
1 changed files with 0 additions and 28 deletions
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28
fs/overlayfs/copy_up.c
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@@ -724,34 +724,6 @@ static int ovl_copy_up_metadata(struct ovl_copy_up_ctx *c, struct dentry *temp)
return err; return err;
} }
struct ovl_cu_creds {
const struct cred *old;
struct cred *new;
};
static int __maybe_unused ovl_prep_cu_creds(struct dentry *dentry, struct ovl_cu_creds *cc)
{
int err;
cc->old = cc->new = NULL;
err = security_inode_copy_up(dentry, &cc->new);
if (err < 0)
return err;
if (cc->new)
cc->old = override_creds(cc->new);
return 0;
}
static void __maybe_unused ovl_revert_cu_creds(struct ovl_cu_creds *cc)
{
if (cc->new) {
revert_creds(cc->old);
put_cred(cc->new);
}
}
static const struct cred *ovl_prepare_copy_up_creds(struct dentry *dentry) static const struct cred *ovl_prepare_copy_up_creds(struct dentry *dentry)
{ {
struct cred *copy_up_cred = NULL; struct cred *copy_up_cred = NULL;