linux-kernel - [RFC PATCH 14/20] selinux: use consistent type for AV rule specifier

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Date:   Thu,  6 Jul 2023 15:23:29 +0200
From:   Christian Göttsche <cgzones@...glemail.com>
To:     selinux@...r.kernel.org
Cc:     Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Eric Paris <eparis@...isplace.org>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        "GONG, Ruiqi" <gongruiqi1@...wei.com>, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 14/20] selinux: use consistent type for AV rule specifier

The specifier for avtab keys is always supplied with a type of u16,
either as a macro to security_compute_sid() or the member specified of
the struct avtab_key.

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
 security/selinux/ss/avtab.c    | 2 +-
 security/selinux/ss/avtab.h    | 2 +-
 security/selinux/ss/services.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c
index 9c150fba3fa6..15a5d60fb1a5 100644
--- a/security/selinux/ss/avtab.c
+++ b/security/selinux/ss/avtab.c
@@ -248,7 +248,7 @@ struct avtab_node *avtab_search_node(struct avtab *h,
 }
 
 struct avtab_node*
-avtab_search_node_next(struct avtab_node *node, int specified)
+avtab_search_node_next(struct avtab_node *node, u16 specified)
 {
 	struct avtab_node *cur;
 
diff --git a/security/selinux/ss/avtab.h b/security/selinux/ss/avtab.h
index d6742fd9c560..f265e9da18e2 100644
--- a/security/selinux/ss/avtab.h
+++ b/security/selinux/ss/avtab.h
@@ -111,7 +111,7 @@ struct avtab_node *avtab_insert_nonunique(struct avtab *h,
 struct avtab_node *avtab_search_node(struct avtab *h,
 				     const struct avtab_key *key);
 
-struct avtab_node *avtab_search_node_next(struct avtab_node *node, int specified);
+struct avtab_node *avtab_search_node_next(struct avtab_node *node, u16 specified);
 
 #define MAX_AVTAB_HASH_BITS 16
 #define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS)
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 2e2b17b00298..823b000381a4 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1694,7 +1694,7 @@ static void filename_compute_type(struct policydb *policydb,
 static int security_compute_sid(u32 ssid,
 				u32 tsid,
 				u16 orig_tclass,
-				u32 specified,
+				u16 specified,
 				const char *objname,
 				u32 *out_sid,
 				bool kern)
-- 
2.40.1