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Message-Id: <20210408083650.1910-1-hbut_tan@163.com>
Date: Thu, 8 Apr 2021 16:36:50 +0800
From: Zhongjun Tan <hbut_tan@....com>
To: steffen.klassert@...unet.com, herbert@...dor.apana.org.au,
davem@...emloft.net, kuba@...nel.org, jmorris@...ei.org,
serge@...lyn.com, stephen.smalley.work@...il.com,
eparis@...isplace.org, keescook@...omium.org,
ebiederm@...ssion.com, gregkh@...uxfoundation.org,
dhowells@...hat.com, kpsingh@...gle.com,
christian.brauner@...ntu.com, zohar@...ux.ibm.com
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
linux-security-module@...r.kernel.org, selinux@...r.kernel.org,
Zhongjun Tan <tanzhongjun@...ong.com>
Subject: [PATCH] selinux:Delete selinux_xfrm_policy_lookup() useless argument
From: Zhongjun Tan <tanzhongjun@...ong.com>
Delete selinux selinux_xfrm_policy_lookup() useless argument.
Signed-off-by: Zhongjun Tan <tanzhongjun@...ong.com>
---
include/linux/lsm_hook_defs.h | 3 +--
include/linux/security.h | 4 ++--
net/xfrm/xfrm_policy.c | 6 ++----
security/security.c | 4 ++--
security/selinux/include/xfrm.h | 2 +-
security/selinux/xfrm.c | 2 +-
6 files changed, 9 insertions(+), 12 deletions(-)
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 04c0179..2adeea4 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -358,8 +358,7 @@
struct xfrm_sec_ctx *polsec, u32 secid)
LSM_HOOK(void, LSM_RET_VOID, xfrm_state_free_security, struct xfrm_state *x)
LSM_HOOK(int, 0, xfrm_state_delete_security, struct xfrm_state *x)
-LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid,
- u8 dir)
+LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid)
LSM_HOOK(int, 1, xfrm_state_pol_flow_match, struct xfrm_state *x,
struct xfrm_policy *xp, const struct flowi_common *flic)
LSM_HOOK(int, 0, xfrm_decode_session, struct sk_buff *skb, u32 *secid,
diff --git a/include/linux/security.h b/include/linux/security.h
index 06f7c50..24eda04 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1681,7 +1681,7 @@ int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
struct xfrm_sec_ctx *polsec, u32 secid);
int security_xfrm_state_delete(struct xfrm_state *x);
void security_xfrm_state_free(struct xfrm_state *x);
-int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
+int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp,
const struct flowi_common *flic);
@@ -1732,7 +1732,7 @@ static inline int security_xfrm_state_delete(struct xfrm_state *x)
return 0;
}
-static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
+static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
{
return 0;
}
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 156347f..d5d934e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1902,8 +1902,7 @@ static int xfrm_policy_match(const struct xfrm_policy *pol,
match = xfrm_selector_match(sel, fl, family);
if (match)
- ret = security_xfrm_policy_lookup(pol->security, fl->flowi_secid,
- dir);
+ ret = security_xfrm_policy_lookup(pol->security, fl->flowi_secid);
return ret;
}
@@ -2181,8 +2180,7 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
goto out;
}
err = security_xfrm_policy_lookup(pol->security,
- fl->flowi_secid,
- dir);
+ fl->flowi_secid);
if (!err) {
if (!xfrm_pol_hold_rcu(pol))
goto again;
diff --git a/security/security.c b/security/security.c
index b38155b..0c1c979 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2466,9 +2466,9 @@ void security_xfrm_state_free(struct xfrm_state *x)
call_void_hook(xfrm_state_free_security, x);
}
-int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
+int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
{
- return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
+ return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid);
}
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 0a6f34a..7415940 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -23,7 +23,7 @@ int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
struct xfrm_sec_ctx *polsec, u32 secid);
void selinux_xfrm_state_free(struct xfrm_state *x);
int selinux_xfrm_state_delete(struct xfrm_state *x);
-int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
+int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp,
const struct flowi_common *flic);
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 634f3db..be83e5c 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -150,7 +150,7 @@ static int selinux_xfrm_delete(struct xfrm_sec_ctx *ctx)
* LSM hook implementation that authorizes that a flow can use a xfrm policy
* rule.
*/
-int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
+int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
{
int rc;
--
1.9.1
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