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RDMA/siw: Add missing rtnl_lock around access to ifa
ifa is protected by rcu or rtnl, add the missing locking. In this case we
have to use rtnl since siw_listen_address() is sleeping.
Fixes: 6c52fdc244
("rdma/siw: connection management")
Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
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@ -1975,6 +1975,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
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id, &s_laddr.sin_addr, ntohs(s_laddr.sin_port),
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&s_raddr->sin_addr, ntohs(s_raddr->sin_port));
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rtnl_lock();
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for_ifa(in_dev)
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{
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if (ipv4_is_zeronet(s_laddr.sin_addr.s_addr) ||
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@ -1989,6 +1990,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
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}
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}
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endfor_ifa(in_dev);
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rtnl_unlock();
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in_dev_put(in_dev);
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} else if (id->local_addr.ss_family == AF_INET6) {
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struct inet6_dev *in6_dev = in6_dev_get(dev);
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