Messages in this thread Patch in this message | | | From | Colin King <> | Subject | [PATCH][next] habanalabs: fix incorrect check on failed workqueue create | Date | Thu, 30 Jul 2020 09:20:22 +0100 |
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From: Colin Ian King <colin.king@canonical.com>
The null check on a failed workqueue create is currently null checking hdev->cq_wq rather than the pointer hdev->cq_wq[i] and so the test will never be true on a failed workqueue create. Fix this by checking hdev->cq_wq[i].
Addresses-Coverity: ("Dereference before null check") Fixes: 5574cb2194b1 ("habanalabs: Assign each CQ with its own work queue") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/misc/habanalabs/common/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index be16b75bdfdb..35214a186913 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -288,7 +288,7 @@ static int device_early_init(struct hl_device *hdev) for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++) { snprintf(workq_name, 32, "hl-free-jobs-%u", i); hdev->cq_wq[i] = create_singlethread_workqueue(workq_name); - if (hdev->cq_wq == NULL) { + if (hdev->cq_wq[i] == NULL) { dev_err(hdev->dev, "Failed to allocate CQ workqueue\n"); rc = -ENOMEM; goto free_cq_wq; -- 2.27.0
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