From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 8749c27895a369a99e4a21709b3e3bec4785778f ]
If hl_cpu_accessible_dma_pool_alloc() fails, we should check 'req_cpu_addr', fix it.
Fixes: 0c88760f8f5e ("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 --- drivers/misc/habanalabs/common/firmware_if.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 2de6a9bd564d..f18e53bbba6b 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -2983,7 +2983,7 @@ static int hl_fw_get_sec_attest_data(struct hl_device *hdev, u32 packet_id, void int rc;
req_cpu_addr = hl_cpu_accessible_dma_pool_alloc(hdev, size, &req_dma_addr); - if (!data) { + if (!req_cpu_addr) { dev_err(hdev->dev, "Failed to allocate DMA memory for CPU-CP packet %u\n", packet_id); return -ENOMEM;