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i2c: mlxbf: Fix the return check of devm_ioremap and ioremap

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devm_ioremap and ioremap may return NULL which cannot be checked
by IS_ERR.

Signed-off-by: Wang Xiaojun <wangxiaojun11@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Acked-by: Khalil Blaiech <kblaiech@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Wang Xiaojun 2020-12-02 20:46:47 -05:00 committed by Wolfram Sang
parent c62dac0a35
commit 2bf9545626
1 changed files with 6 additions and 6 deletions
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12
drivers/i2c/busses/i2c-mlxbf.c
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@ -1258,9 +1258,9 @@ static int mlxbf_i2c_get_gpio(struct platform_device *pdev,
return -EFAULT;
gpio_res->io = devm_ioremap(dev, params->start, size);
if (IS_ERR(gpio_res->io)) {
if (!gpio_res->io) {
devm_release_mem_region(dev, params->start, size);
return PTR_ERR(gpio_res->io);
return -ENOMEM;
}
return 0;
@ -1323,9 +1323,9 @@ static int mlxbf_i2c_get_corepll(struct platform_device *pdev,
return -EFAULT;
corepll_res->io = devm_ioremap(dev, params->start, size);
if (IS_ERR(corepll_res->io)) {
if (!corepll_res->io) {
devm_release_mem_region(dev, params->start, size);
return PTR_ERR(corepll_res->io);
return -ENOMEM;
}
return 0;
@ -1717,9 +1717,9 @@ static int mlxbf_i2c_init_coalesce(struct platform_device *pdev,
return -EFAULT;
coalesce_res->io = ioremap(params->start, size);
if (IS_ERR(coalesce_res->io)) {
if (!coalesce_res->io) {
release_mem_region(params->start, size);
return PTR_ERR(coalesce_res->io);
return -ENOMEM;
}
priv->coalesce = coalesce_res;