summaryrefslogtreecommitdiffstats
path: root/security
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2013-07-04 23:11:22 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-07-04 23:11:22 +0200
commit2b0f89317e99735bbf32eaede81f707f98ab1b5e (patch)
tree16daa236e21876b11f1c0b9256cd4046aadba020 /security
parent07bd1172902e782f288e4d44b1fde7dec0f08b6f (diff)
parentfa18f7bde3ad4568d1d343b60d963bfbd8dc3991 (diff)
Merge branch 'timers/posix-cpu-timers-for-tglx' of
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/core Frederic sayed: "Most of these patches have been hanging around for several month now, in -mmotm for a significant chunk. They already missed a few releases." Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/xfrm.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 8ab29515451..d0308188621 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -316,6 +316,7 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
memcpy(new_ctx, old_ctx, sizeof(*new_ctx));
memcpy(new_ctx->ctx_str, old_ctx->ctx_str, new_ctx->ctx_len);
+ atomic_inc(&selinux_xfrm_refcount);
*new_ctxp = new_ctx;
}
return 0;
@@ -326,6 +327,7 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
*/
void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
{
+ atomic_dec(&selinux_xfrm_refcount);
kfree(ctx);
}
@@ -335,17 +337,13 @@ void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
{
const struct task_security_struct *tsec = current_security();
- int rc = 0;
- if (ctx) {
- rc = avc_has_perm(tsec->sid, ctx->ctx_sid,
- SECCLASS_ASSOCIATION,
- ASSOCIATION__SETCONTEXT, NULL);
- if (rc == 0)
- atomic_dec(&selinux_xfrm_refcount);
- }
+ if (!ctx)
+ return 0;
- return rc;
+ return avc_has_perm(tsec->sid, ctx->ctx_sid,
+ SECCLASS_ASSOCIATION, ASSOCIATION__SETCONTEXT,
+ NULL);
}
/*
@@ -370,8 +368,8 @@ int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *uct
*/
void selinux_xfrm_state_free(struct xfrm_state *x)
{
- struct xfrm_sec_ctx *ctx = x->security;
- kfree(ctx);
+ atomic_dec(&selinux_xfrm_refcount);
+ kfree(x->security);
}
/*
@@ -381,17 +379,13 @@ int selinux_xfrm_state_delete(struct xfrm_state *x)
{
const struct task_security_struct *tsec = current_security();
struct xfrm_sec_ctx *ctx = x->security;
- int rc = 0;
- if (ctx) {
- rc = avc_has_perm(tsec->sid, ctx->ctx_sid,
- SECCLASS_ASSOCIATION,
- ASSOCIATION__SETCONTEXT, NULL);
- if (rc == 0)
- atomic_dec(&selinux_xfrm_refcount);
- }
+ if (!ctx)
+ return 0;
- return rc;
+ return avc_has_perm(tsec->sid, ctx->ctx_sid,
+ SECCLASS_ASSOCIATION, ASSOCIATION__SETCONTEXT,
+ NULL);
}
/*