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selinux: Use kmemdup instead of kmalloc + memcpy 

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
hifive-unleashed-5.1
Duan Jiong 2013-09-26 15:52:13 -04:00 committed by Paul Moore
parent 7a362838f9
commit 7d1db4b242
1 changed files with 2 additions and 2 deletions
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4
security/selinux/xfrm.c
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@ -268,10 +268,10 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
if (!old_ctx)
return 0;
new_ctx = kmalloc(sizeof(*old_ctx) + old_ctx->ctx_len, GFP_ATOMIC);
new_ctx = kmemdup(old_ctx, sizeof(*old_ctx) + old_ctx->ctx_len,
GFP_ATOMIC);
if (!new_ctx)
return -ENOMEM;
memcpy(new_ctx, old_ctx, sizeof(*old_ctx) + old_ctx->ctx_len);
atomic_inc(&selinux_xfrm_refcount);
*new_ctxp = new_ctx;