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mailbox: arm_mhuv2: Fix return value check in mhuv2_probe()
[ Upstream commit165b7643f2
] If devm_of_iomap() fails, it returns ERR_PTR() and never return NULL, so replace NULL pointer check with IS_ERR() to fix this problem. Fixes:5a6338cce9
("mailbox: arm_mhuv2: Add driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -1062,8 +1062,8 @@ static int mhuv2_probe(struct amba_device *adev, const struct amba_id *id)
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int ret = -EINVAL;
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reg = devm_of_iomap(dev, dev->of_node, 0, NULL);
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if (!reg)
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return -ENOMEM;
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if (IS_ERR(reg))
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return PTR_ERR(reg);
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mhu = devm_kzalloc(dev, sizeof(*mhu), GFP_KERNEL);
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if (!mhu)
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