diff options
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_utils.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c index fb8cbd71a2e..5611a73d583 100644 --- a/drivers/infiniband/hw/nes/nes_utils.c +++ b/drivers/infiniband/hw/nes/nes_utils.c @@ -540,11 +540,14 @@ struct nes_cqp_request *nes_get_cqp_request(struct nes_device *nesdev) if (!list_empty(&nesdev->cqp_avail_reqs)) { spin_lock_irqsave(&nesdev->cqp.lock, flags); - cqp_request = list_entry(nesdev->cqp_avail_reqs.next, + if (!list_empty(&nesdev->cqp_avail_reqs)) { + cqp_request = list_entry(nesdev->cqp_avail_reqs.next, struct nes_cqp_request, list); - list_del_init(&cqp_request->list); + list_del_init(&cqp_request->list); + } spin_unlock_irqrestore(&nesdev->cqp.lock, flags); - } else { + } + if (cqp_request == NULL) { cqp_request = kzalloc(sizeof(struct nes_cqp_request), GFP_KERNEL); if (cqp_request) { cqp_request->dynamic = 1; |