diff options
| author | Wang Xiaojun <wangxiaojun11@huawei.com> | 2020-12-03 04:46:47 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2020-12-05 16:52:35 +0300 |
| commit | 2bf9545626f8d09f552ab86d0047a415fe9a07a0 (patch) | |
| tree | eb881f4c4b3d02dbc9c537308f562ee2bb4884b1 /drivers/i2c | |
| parent | c62dac0a35bb6d351cd568e97090c5fd3e7aa532 (diff) | |
| download | linux-2bf9545626f8d09f552ab86d0047a415fe9a07a0.tar.xz | |
i2c: mlxbf: Fix the return check of devm_ioremap and ioremap
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mlxbf.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index 33574d40ea9c..2fb0532d8a16 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -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; |