| Message ID | 20230530233643.4044823-4-quic_bjorande@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | soc: qcom: rmtfs: Support dynamic allocation | expand |
diff --git a/drivers/soc/qcom/rmtfs_mem.c b/drivers/soc/qcom/rmtfs_mem.c index 28238974d913..e3a55fa041f9 100644 --- a/drivers/soc/qcom/rmtfs_mem.c +++ b/drivers/soc/qcom/rmtfs_mem.c @@ -180,7 +180,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev) int ret, i; rmem = of_reserved_mem_lookup(node); - if (!rmem) { + if (!rmem || !rmem->size) { dev_err(&pdev->dev, "failed to acquire memory region\n"); return -EINVAL; }
In the even that Linux failed to allocate the reserved memory range specified in the DeviceTree, the size of the reserved_mem will be 0, which results in a oops when memory remapping is attempted. Detect this and report that the memory region was not found instead. Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> --- Changes since v1: - New patch drivers/soc/qcom/rmtfs_mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)