forked from Minki/linux
RDMA/uverbs: Initialize cq_context appropriately
Initializing cq_context with ev_queue in create_cq(), leads to NULL pointer
dereference in ib_uverbs_comp_handler(), if application doesnot use completion
channel. This patch fixes the cq_context initialization.
Fixes: 1e7710f3f6
("IB/core: Change completion channel to use the reworked")
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -1015,7 +1015,7 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file,
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cq->uobject = &obj->uobject;
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cq->comp_handler = ib_uverbs_comp_handler;
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cq->event_handler = ib_uverbs_cq_event_handler;
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cq->cq_context = &ev_file->ev_queue;
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cq->cq_context = ev_file ? &ev_file->ev_queue : NULL;
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atomic_set(&cq->usecnt, 0);
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obj->uobject.object = cq;
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