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Fix function declaration

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The function pointer type of myvariable_store was incompatible with the
store member of struct kobj_attribute, leading to a compilation error
when the type conversion (void *) was omitted. This patch corrects the
function declaration and eliminates the need for type conversion.
This commit is contained in:
Bob Lee 2024-10-08 00:34:36 +08:00
parent 2eadbb1ecf
commit 93b35f7819
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GPG Key ID: 0DA954476306EEFA
1 changed files with 2 additions and 2 deletions
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4
examples/hello-sysfs.c
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@ -20,7 +20,7 @@ static ssize_t myvariable_show(struct kobject *kobj,
}
static ssize_t myvariable_store(struct kobject *kobj,
struct kobj_attribute *attr, char *buf,
struct kobj_attribute *attr, const char *buf,
size_t count)
{
sscanf(buf, "%du", &myvariable);
@ -28,7 +28,7 @@ static ssize_t myvariable_store(struct kobject *kobj,
}
static struct kobj_attribute myvariable_attribute =
__ATTR(myvariable, 0660, myvariable_show, (void *)myvariable_store);
__ATTR(myvariable, 0660, myvariable_show, myvariable_store);
static int __init mymodule_init(void)
{