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habanalabs: fix return value check in hl_fw_get_sec_attest_data()

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[ Upstream commit 8749c27895 ]

If hl_cpu_accessible_dma_pool_alloc() fails, we should check
'req_cpu_addr', fix it.

Fixes: 0c88760f8f ("habanalabs/gaudi2: add secured attestation info uapi")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang
2022-09-23 22:39:13 +08:00
committed by Greg Kroah-Hartman
parent 03dbb9e2e9
commit a4b84c112d
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/habanalabs/common/firmware_if.c
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@ -2983,7 +2983,7 @@ static int hl_fw_get_sec_attest_data(struct hl_device *hdev, u32 packet_id, void
int rc; int rc;
req_cpu_addr = hl_cpu_accessible_dma_pool_alloc(hdev, size, &req_dma_addr); req_cpu_addr = hl_cpu_accessible_dma_pool_alloc(hdev, size, &req_dma_addr);
if (!data) { if (!req_cpu_addr) {
dev_err(hdev->dev, dev_err(hdev->dev,
"Failed to allocate DMA memory for CPU-CP packet %u\n", packet_id); "Failed to allocate DMA memory for CPU-CP packet %u\n", packet_id);
return -ENOMEM; return -ENOMEM;