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soc: qcom: rmtfs: fix error handling reading qcom,vmid

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of_property_count_u32_elems returns a negative integer when an error
happens , but since the value was assigned to an unsigned integer, the
check never worked correctly. Also print the correct variable in the
error print, ret isn't used here.

Fixes: e656cd0bcf ("soc: qcom: rmtfs: Optionally map RMTFS to more VMs")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230305-rmtfs-vmid-fix-v1-1-6a7206081602@z3ntu.xyz
This commit is contained in:
Luca Weiss 2023-03-05 11:32:33 +01:00 committed by Bjorn Andersson
parent 77bf4b3ed4
commit 947007419b
1 changed files with 3 additions and 2 deletions
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5
drivers/soc/qcom/rmtfs_mem.c
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@ -176,7 +176,8 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
struct reserved_mem *rmem;
struct qcom_rmtfs_mem *rmtfs_mem;
u32 client_id;
u32 num_vmids, vmid[NUM_MAX_VMIDS];
u32 vmid[NUM_MAX_VMIDS];
int num_vmids;
int ret, i;
rmem = of_reserved_mem_lookup(node);
@ -229,7 +230,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
num_vmids = of_property_count_u32_elems(node, "qcom,vmid");
if (num_vmids < 0) {
dev_err(&pdev->dev, "failed to count qcom,vmid elements: %d\n", ret);
dev_err(&pdev->dev, "failed to count qcom,vmid elements: %d\n", num_vmids);
goto remove_cdev;
} else if (num_vmids > NUM_MAX_VMIDS) {
dev_warn(&pdev->dev,