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authorSean Hefty <sean.hefty@intel.com>2009-11-19 12:55:22 -0800
committerRoland Dreier <rolandd@cisco.com>2009-11-19 12:55:22 -0800
commitd2e0886245aa9eebc1a4710c861d263b09eac493 (patch)
tree0343fc239b6bc63b992878b2721af320feb39101 /drivers/infiniband
parent6266ed6e4164466177238b11ecb825a3a108a3e4 (diff)
IB/addr: Verify source and destination address families match
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/addr.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 788a02ef01d..b59ba7ccef0 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -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);