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ovl: port ovl_dir_llseek() to cred guard 

Use the scoped ovl cred guard.

Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-26-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 10:33:57 +01:00
parent d25e4b739f
commit 5517646e14
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 8 deletions
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10
fs/overlayfs/readdir.c
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@ -955,14 +955,8 @@ static loff_t ovl_dir_llseek(struct file *file, loff_t offset, int origin)
static struct file *ovl_dir_open_realfile(const struct file *file, static struct file *ovl_dir_open_realfile(const struct file *file,
const struct path *realpath) const struct path *realpath)
{ {
struct file *res; with_ovl_creds(file_inode(file)->i_sb)
const struct cred *old_cred; return ovl_path_open(realpath, O_RDONLY | (file->f_flags & O_LARGEFILE));
old_cred = ovl_override_creds(file_inode(file)->i_sb);
res = ovl_path_open(realpath, O_RDONLY | (file->f_flags & O_LARGEFILE));
ovl_revert_creds(old_cred);
return res;
} }
/* /*