From 3b8445cdaab4e3679a64ec19c7bba8ed31e8df0c Mon Sep 17 00:00:00 2001
From: rsuntk <90097027+rsuntk@users.noreply.github.com>
Date: Fri, 6 Jun 2025 11:48:16 +0700
Subject: [PATCH] kernel: Remove more stray backslash in grep regex and move
 path_umount as optional backport

---
 kernel/Makefile | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/kernel/Makefile b/kernel/Makefile
index da3e3e09..dbfb6a9f 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -32,11 +32,6 @@ $(warning "KSU_GIT_VERSION not defined! It is better to make SukiSU a git submod
 ccflags-y += -DKSU_VERSION=12800
 endif
 
-# Do checks before compile
-ifeq ($(shell grep -q "int\s\+path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
-ccflags-y += -DKSU_HAS_PATH_UMOUNT
-endif
-
 # Checks hooks state
 ifeq ($(strip $(CONFIG_KSU_MANUAL_HOOK)),y)
 $(info -- KernelSU: Manually-patched hook.)
@@ -57,10 +52,10 @@ endif
 ifeq ($(shell grep -q "get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
 ccflags-y += -DKSU_COMPAT_HAS_GET_CRED_RCU
 else
-ifeq ($(shell grep -q "atomic_long_t\s\+\usage" $(srctree)/include/linux/cred.h; echo $$?),0)
+ifeq ($(shell grep -q "atomic_long_t\s\+usage" $(srctree)/include/linux/cred.h; echo $$?),0)
 ccflags-y += -DKSU_COMPAT_ATOMIC_LONG
 endif
-ifeq ($(shell grep -q "int\s\+\non_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
+ifeq ($(shell grep -q "int\s\+non_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
 ccflags-y += -DKSU_COMPAT_HAS_NONCONST_CRED
 endif
 endif
@@ -75,6 +70,9 @@ endif
 ifeq ($(shell grep "ssize_t kernel_write" $(srctree)/fs/read_write.c | grep -q "const void" ; echo $$?),0)
 ccflags-y += -DKSU_OPTIONAL_KERNEL_WRITE
 endif
+ifeq ($(shell grep -q "int\s\+path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
+ccflags-y += -DKSU_HAS_PATH_UMOUNT
+endif
 
 # Checks Samsung UH drivers
 ifeq ($(shell grep -q "CONFIG_KDP_CRED" $(srctree)/kernel/cred.c; echo $$?),0)