linux-kernel - [PATCH] soc: qcom: smem: handle ENOMEM error during probe

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Message-ID: <20251209074610.3751781-1-jorge.ramirez@oss.qualcomm.com>
Date: Tue,  9 Dec 2025 08:45:37 +0100
From: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
To: jorge.ramirez@....qualcomm.com, andersson@...nel.org,
        konradybcio@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] soc: qcom: smem: handle ENOMEM error during probe

Fail the driver probe if the region can't be mapped

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
---
 drivers/soc/qcom/smem.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index c4c45f15dca4..e91dfc123af2 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -1215,7 +1215,9 @@ static int qcom_smem_probe(struct platform_device *pdev)
 		smem->item_count = qcom_smem_get_item_count(smem);
 		break;
 	case SMEM_GLOBAL_HEAP_VERSION:
-		qcom_smem_map_global(smem, size);
+		ret = qcom_smem_map_global(smem, size);
+		if (ret < 0)
+			return ret;
 		smem->item_count = SMEM_ITEM_COUNT;
 		break;
 	default:
-- 
2.43.0