nvmem: core: Use kobj_to_dev() instead of container_of()

Use kobj_to_dev() instead of container_of()

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200917134437.16637-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 6cd3edb2eaf65feebcadf4f4cfce40a22e355eaf..7641e56a17bc5d841e21b447f8c9cb267f3e477d 100644 (file)
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -128,7 +128,7 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj,
        if (attr->private)
                dev = attr->private;
        else
-               dev = container_of(kobj, struct device, kobj);
+               dev = kobj_to_dev(kobj);
        nvmem = to_nvmem_device(dev);
 
        /* Stop the user from reading */
@@ -168,7 +168,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj,
        if (attr->private)
                dev = attr->private;
        else
-               dev = container_of(kobj, struct device, kobj);
+               dev = kobj_to_dev(kobj);
        nvmem = to_nvmem_device(dev);
 
        /* Stop the user from writing */
@@ -219,7 +219,7 @@ static umode_t nvmem_bin_attr_get_umode(struct nvmem_device *nvmem)
 static umode_t nvmem_bin_attr_is_visible(struct kobject *kobj,
                                         struct bin_attribute *attr, int i)
 {
-       struct device *dev = container_of(kobj, struct device, kobj);
+       struct device *dev = kobj_to_dev(kobj);
        struct nvmem_device *nvmem = to_nvmem_device(dev);
 
        return nvmem_bin_attr_get_umode(nvmem);