[PATCH] soc: mediatek: mtk-socinfo Add error handling in devm_kasprintf()

[Griffin Kroah-Hartman]

Add an error check to the devm_kasprintf() function in
mtk_socinfo_create_socinfo_node(), returning -ENOMEM if the function
failed.

Assisted-by: gkh_clanker_t1000
CC: Matthias Brugger <matthias.bgg at gmail.com>
CC: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
Signed-off-by: Griffin Kroah-Hartman <griffin at kroah.com>
---
 drivers/soc/mediatek/mtk-socinfo.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-socinfo.c b/drivers/soc/mediatek/mtk-socinfo.c
index 424a1eb82c20..e294730ba709 100644
--- a/drivers/soc/mediatek/mtk-socinfo.c
+++ b/drivers/soc/mediatek/mtk-socinfo.c
@@ -76,11 +76,14 @@ static int mtk_socinfo_create_socinfo_node(struct mtk_socinfo *mtk_socinfop)
 	if (!attrs)
 		return -ENOMEM;
 
-	if (data->marketing_name != NULL && data->marketing_name[0] != '\0')
+	if (data->marketing_name != NULL && data->marketing_name[0] != '\0') {
 		attrs->family = devm_kasprintf(mtk_socinfop->dev, GFP_KERNEL, "MediaTek %s",
 					       data->marketing_name);
-	else
+		if (!attrs->family)
+			return -ENOMEM;
+	} else {
 		attrs->family = soc_manufacturer;
+	}
 
 	attrs->soc_id = data->soc_name;
 	/*
-- 
2.55.0