soc: qcom: rmtfs: Fix error code in probe()

Return an error code if of_property_count_u32_elems() fails.  Don't
return success.

Fixes: e656cd0bcf3d ("soc: qcom: rmtfs: Optionally map RMTFS to more VMs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/76b21a14-70ff-4ca9-927d-587543c6699c@kili.mountain

diff --git a/drivers/soc/qcom/rmtfs_mem.c b/drivers/soc/qcom/rmtfs_mem.c
index ce48a9f3b4c87f284eed596f5d0c578a3dea74f2..f83811f51175352777ccc95886df4d39d4ffd8cb 100644 (file)
--- a/drivers/soc/qcom/rmtfs_mem.c
+++ b/drivers/soc/qcom/rmtfs_mem.c
@@ -233,6 +233,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
                num_vmids = 0;
        } else if (num_vmids < 0) {
                dev_err(&pdev->dev, "failed to count qcom,vmid elements: %d\n", num_vmids);
+               ret = num_vmids;
                goto remove_cdev;
        } else if (num_vmids > NUM_MAX_VMIDS) {
                dev_warn(&pdev->dev,