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ipv6: sr: Use kmemdup instead of duplicating it in parse_nla_srh

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Replace calls to kmalloc followed by a memcpy with a direct call to
kmemdup.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2018-07-23 16:33:19 +08:00 committed by David S. Miller
parent f8b2990fd9
commit 7fa41efac1
1 changed files with 1 additions and 3 deletions
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4
net/ipv6/seg6_local.c
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@ -637,12 +637,10 @@ static int parse_nla_srh(struct nlattr **attrs, struct seg6_local_lwt *slwt)
if (!seg6_validate_srh(srh, len))
return -EINVAL;
slwt->srh = kmalloc(len, GFP_KERNEL);
slwt->srh = kmemdup(srh, len, GFP_KERNEL);
if (!slwt->srh)
return -ENOMEM;
memcpy(slwt->srh, srh, len);
slwt->headroom += len;
return 0;