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| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-01-10 09:30:42 +0800 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-10 14:10:24 -0800 |
| commit | 72d052e28d1d2363f9107be63ef3a3afdea6143c (patch) | |
| tree | 4ff25b6864f76dc173d62327ef11ab24c5e9779f /arch/mips/loongson64/platform.c | |
| parent | 23c25c73253075f41466438ed1b42ece9004ba20 (diff) | |
| download | linux-72d052e28d1d2363f9107be63ef3a3afdea6143c.tar.bz2 | |
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: 3adeb2566b9b ("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
Diffstat (limited to 'arch/mips/loongson64/platform.c')
| -rw-r--r-- | arch/mips/loongson64/platform.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/loongson64/platform.c b/arch/mips/loongson64/platform.c index 13f3404f0030..9674ae1361a8 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]; |