kernel: make path_umount backporting as optional

Since backslashxx@4f8943a, path_umount is no longer needed.

Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>

Author: rsuntk

kernel/Makefile

@@ -31,10 +31,7 @@ endif
 
 # Do checks before compile
 ifeq ($(shell grep -q "int\s\+\path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
-$(info -- KernelSU: checks ok. Found path_umount)
-else
-$(info -- KernelSU: checks failed, abort.)
-$(error -- Backporting path_umount is mandatory !! Read: https://kernelsu.org/guide/how-to-integrate-for-non-gki.html#how-to-backport-path-umount)
+ccflags-y += -DKSU_HAS_PATH_UMOUNT
 endif
 
 # Checks hooks state

kernel/core_hook.c

@@ -180,7 +180,7 @@ void escape_to_root(void)
 	       sizeof(cred->cap_bset));
 
 	setup_groups(profile, cred);
-	
+
 	rcu_read_unlock();
 
 	// Refer to kernel/seccomp.c: seccomp_set_mode_strict