From f15d9b18e907efc066a86110cb32900cfdff2540 Mon Sep 17 00:00:00 2001
From: backslashxx <118538522+backslashxx@users.noreply.github.com>
Date: Fri, 13 Jun 2025 18:56:41 +0800
Subject: [PATCH] kernel: ksud: d_is_reg to IS_REG

d_is_reg requires 4.0
 - https://github.com/torvalds/linux/commit/e36cb0b89ce20b4f8786a57e8a6bc8476f577650
IS_REG is still there on 6.15 so I do NOT see any issues forcing it for all.

Signed-off-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
---
 kernel/ksud.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/ksud.c b/kernel/ksud.c
index cdd32711..113bf24c 100644
--- a/kernel/ksud.c
+++ b/kernel/ksud.c
@@ -338,7 +338,7 @@ int ksu_handle_vfs_read(struct file **file_ptr, char __user **buf_ptr,
 		return 0;
 	}
 
-	if (!d_is_reg(file->f_path.dentry)) {
+	if (!S_ISREG(file->f_path.dentry->d_inode->i_mode)) {
 		return 0;
 	}