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-rw-r--r--security/selinux/xfrm.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 36a191e..e076039 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -211,26 +211,27 @@ static int selinux_xfrm_sec_ctx_alloc(struct xfrm_sec_ctx **ctxp,
if (uctx->ctx_doi != XFRM_SC_ALG_SELINUX)
return -EINVAL;
- if (uctx->ctx_len >= PAGE_SIZE)
+ str_len = uctx->ctx_len;
+ if (str_len >= PAGE_SIZE)
return -ENOMEM;
*ctxp = ctx = kmalloc(sizeof(*ctx) +
- uctx->ctx_len + 1,
+ str_len + 1,
GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->ctx_doi = uctx->ctx_doi;
- ctx->ctx_len = uctx->ctx_len;
+ ctx->ctx_len = str_len;
ctx->ctx_alg = uctx->ctx_alg;
memcpy(ctx->ctx_str,
uctx+1,
- ctx->ctx_len);
- ctx->ctx_str[ctx->ctx_len] = 0;
+ str_len);
+ ctx->ctx_str[str_len] = 0;
rc = security_context_to_sid(ctx->ctx_str,
- ctx->ctx_len,
+ str_len,
&ctx->ctx_sid);
if (rc)
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