From: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
[ Upstream commit 72d052e28d1d2363f9107be63ef3a3afdea6143c ]
If kzalloc fails, it should return -ENOMEM, otherwise may trigger a NULL
pointer dereference.
Fixes: 3adeb2566b9b ("MIPS: Loongson: Improve LEFI firmware interface")
Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
Signed-off-by: Paul Burton <paulburton@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Huacai Chen <chenhc@xxxxxxxxxx>
Cc: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/mips/loongson64/loongson-3/platform.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/mips/loongson64/loongson-3/platform.c b/arch/mips/loongson64/loongson-3/platform.c
index 25a97cc0ee336..0db4cc3196ebd 100644
--- a/arch/mips/loongson64/loongson-3/platform.c
+++ b/arch/mips/loongson64/loongson-3/platform.c
@@ -31,6 +31,9 @@ static int __init loongson3_platform_init(void)
continue;
pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+ if (!pdev)
+ return -ENOMEM;
+
pdev->name = loongson_sysconf.sensors[i].name;
pdev->id = loongson_sysconf.sensors[i].id;
pdev->dev.platform_data = &loongson_sysconf.sensors[i];
--
2.20.1
