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RDMA/cma: Only call cma_save_ib_info() for CM REQs

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Calling cma_save_ib_info() for CM SIDR REQs results in a crash
accessing an invalid path record pointer.

Signed-off-by: Sean Hefty <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
This commit is contained in:
Sean Hefty 2013-07-24 15:06:09 -07:00 • committed by Roland Dreier
commit 5eb695c177
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/core/cma.c
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@ -879,7 +879,8 @@ static int cma_save_net_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id
{
struct cma_hdr *hdr;
if (listen_id->route.addr.src_addr.ss_family == AF_IB) {
if ((listen_id->route.addr.src_addr.ss_family == AF_IB) &&
(ib_event->event == IB_CM_REQ_RECEIVED)) {
cma_save_ib_info(id, listen_id, ib_event->param.req_rcvd.primary_path);
return 0;
}