Unverified Commit 72d052e2 authored Jan 10, 2020 by Tiezhu Yang Committed by Paul Burton Jan 10, 2020

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



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: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Paul 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

parent 23c25c73

arch/mips/loongson64/platform.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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];

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