From: Christian Brauner Date: Mon, 17 Nov 2025 09:33:41 +0000 (+0100) Subject: ovl: port ovl_fallocate() to cred guard X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2468017783027a9fb90fcb336094cc7c880f46ed;p=thirdparty%2Fkernel%2Flinux.git ovl: port ovl_fallocate() to cred guard Use the scoped ovl cred guard. Link: https://patch.msgid.link/20251117-work-ovl-cred-guard-v4-10-b31603935724@kernel.org Reviewed-by: Amir Goldstein Signed-off-by: Christian Brauner --- diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index 92de675b697ed..830a3cc8bbfc5 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -479,7 +479,6 @@ static long ovl_fallocate(struct file *file, int mode, loff_t offset, loff_t len { struct inode *inode = file_inode(file); struct file *realfile; - const struct cred *old_cred; int ret; inode_lock(inode); @@ -494,9 +493,8 @@ static long ovl_fallocate(struct file *file, int mode, loff_t offset, loff_t len if (IS_ERR(realfile)) goto out_unlock; - old_cred = ovl_override_creds(file_inode(file)->i_sb); - ret = vfs_fallocate(realfile, mode, offset, len); - ovl_revert_creds(old_cred); + with_ovl_creds(inode->i_sb) + ret = vfs_fallocate(realfile, mode, offset, len); /* Update size */ ovl_file_modified(file);