From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt

---
 kernel/security/selinux/ss/mls.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/kernel/security/selinux/ss/mls.h b/kernel/security/selinux/ss/mls.h
index 7954b1e..15cacde 100644
--- a/kernel/security/selinux/ss/mls.h
+++ b/kernel/security/selinux/ss/mls.h
@@ -22,7 +22,10 @@
 #ifndef _SS_MLS_H_
 #define _SS_MLS_H_
 
+#include <linux/jhash.h>
+
 #include "context.h"
+#include "ebitmap.h"
 #include "policydb.h"
 
 int mls_compute_context_len(struct policydb *p, struct context *context);
@@ -101,5 +104,13 @@
 }
 #endif
 
+static inline u32 mls_range_hash(const struct mls_range *r, u32 hash)
+{
+	hash = jhash_2words(r->level[0].sens, r->level[1].sens, hash);
+	hash = ebitmap_hash(&r->level[0].cat, hash);
+	hash = ebitmap_hash(&r->level[1].cat, hash);
+	return hash;
+}
+
 #endif	/* _SS_MLS_H */
 

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