[PATCH] remoteproc: mediatek: Dereferencing a pointer that might be NULL

[Jason-ch Chen]

From: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>

The res might be NULL when calling resource_size.

Signed-off-by: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>
---
 drivers/remoteproc/mtk_scp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index eacdf241f4ef..863d18f63f58 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -829,6 +829,9 @@ static int scp_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, scp);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
+	if (!res)
+		return -ENODEV;
+
 	scp->sram_base = devm_ioremap_resource(dev, res);
 	if (IS_ERR((__force void *)scp->sram_base)) {
 		dev_err(dev, "Failed to parse and map sram memory\n");
-- 
2.37.3