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net/ipv6: switch ipv6_flowlabel_opt to sockptr_t

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Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.

Note that the get case is pretty weird in that it actually copies data
back to userspace from setsockopt.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:09:01 +02:00
committed by David S. Miller
parent ff6a4cf214
commit 86298285c9
3 changed files with 11 additions and 9 deletions
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2
net/ipv6/ipv6_sockglue.c
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@@ -929,7 +929,7 @@ done:
retv = 0;
break;
case IPV6_FLOWLABEL_MGR:
retv = ipv6_flowlabel_opt(sk, optval, optlen);
retv = ipv6_flowlabel_opt(sk, USER_SOCKPTR(optval), optlen);
break;
case IPV6_IPSEC_POLICY:
case IPV6_XFRM_POLICY: