ACPI, APEI, EINJ: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index b38737c83a243b02ca423ba649b7db48afb65415..fcccbfdbdd1af35956bb86fc4753bb71a1ff8f54 100644 (file)
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -607,17 +607,7 @@ static int available_error_type_show(struct seq_file *m, void *v)
        return 0;
 }
 
-static int available_error_type_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, available_error_type_show, NULL);
-}
-
-static const struct file_operations available_error_type_fops = {
-       .open           = available_error_type_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(available_error_type);
 
 static int error_type_get(void *data, u64 *val)
 {