[PATCH] MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()

[Tiezhu Yang]

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>
---
 arch/mips/loongson64/platform.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/mips/loongson64/platform.c b/arch/mips/loongson64/platform.c
index 13f3404..9674ae1 100644
--- a/arch/mips/loongson64/platform.c
+++ b/arch/mips/loongson64/platform.c
@@ -27,6 +27,9 @@ 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];
-- 
2.1.0