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IB/addr: Verify source and destination address families match

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If a source address is provided, verify that the address family matches
that of the destination address.  If the source is not specified, use the
same address family as the destination.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Sean Hefty 2009-11-19 12:55:22 -08:00 committed by Roland Dreier
parent 6266ed6e41
commit d2e0886245
1 changed files with 19 additions and 8 deletions
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27
drivers/infiniband/core/addr.c
View file

@ -461,18 +461,27 @@ int rdma_resolve_ip(struct rdma_addr_client *client,
if (!req)
return -ENOMEM;
if (src_addr)
memcpy(&req->src_addr, src_addr, ip_addr_size(src_addr));
memcpy(&req->dst_addr, dst_addr, ip_addr_size(dst_addr));
src_in = (struct sockaddr *) &req->src_addr;
dst_in = (struct sockaddr *) &req->dst_addr;
if (src_addr) {
if (src_addr->sa_family != dst_addr->sa_family) {
ret = -EINVAL;
goto err;
}
memcpy(src_in, src_addr, ip_addr_size(src_addr));
} else {
src_in->sa_family = dst_addr->sa_family;
}
memcpy(dst_in, dst_addr, ip_addr_size(dst_addr));
req->addr = addr;
req->callback = callback;
req->context = context;
req->client = client;
atomic_inc(&client->refcount);
src_in = (struct sockaddr *) &req->src_addr;
dst_in = (struct sockaddr *) &req->dst_addr;
req->status = addr_resolve_local(src_in, dst_in, addr);
if (req->status == -EADDRNOTAVAIL)
req->status = addr_resolve_remote(src_in, dst_in, addr);
@ -490,10 +499,12 @@ int rdma_resolve_ip(struct rdma_addr_client *client,
default:
ret = req->status;
atomic_dec(&client->refcount);
kfree(req);
break;
goto err;
}
return ret;
err:
kfree(req);
return ret;
}
EXPORT_SYMBOL(rdma_resolve_ip);