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Commit f524a256 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Greg Kroah-Hartman
Browse files

MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init() 



[ Upstream commit 72d052e28d1d2363f9107be63ef3a3afdea6143c ]

If kzalloc fails, it should return -ENOMEM, otherwise may trigger a NULL
pointer dereference.

Fixes: 3adeb256 ("MIPS: Loongson: Improve LEFI firmware interface")
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarPaul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent bfd75d7b

arch/mips/loongson64/loongson-3/platform.c

+3 −0
Original line number Diff line number Diff line
@@ -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];