hte: tegra: Fix missing error code in tegra_hte_test_probe()

[ Upstream commit b7c3ca3553d1de5e86c85636828e186d30cd0628 ]

The value of 'ret' is zero when of_hte_req_count() fails to get number
of entitties to timestamp. And returning success(zero) on this failure
path is incorrect.

Fixes: 9a75a7cd03c9 ("hte: Add Tegra HTE test driver")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/hte/hte-tegra194-test.c b/drivers/hte/hte-tegra194-test.c
index ba37a5e..ab2edff 100644 (file)
--- a/drivers/hte/hte-tegra194-test.c
+++ b/drivers/hte/hte-tegra194-test.c
@@ -153,8 +153,10 @@ static int tegra_hte_test_probe(struct platform_device *pdev)
        }
 
        cnt = of_hte_req_count(hte.pdev);
-       if (cnt < 0)
+       if (cnt < 0) {
+               ret = cnt;
                goto free_irq;
+       }
 
        dev_info(&pdev->dev, "Total requested lines:%d\n", cnt);