diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 1278aca..60e550f1 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -357,7 +357,6 @@
 				  ACPI_PROCESSOR_FILE_THROTTLING));
 	else {
 		entry->proc_fops = &acpi_processor_throttling_fops;
-		entry->proc_fops->write = acpi_processor_write_throttling;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
@@ -372,7 +371,6 @@
 				  ACPI_PROCESSOR_FILE_LIMIT));
 	else {
 		entry->proc_fops = &acpi_processor_limit_fops;
-		entry->proc_fops->write = acpi_processor_write_limit;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 22c7bb6..0c0234e 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -520,8 +520,8 @@
 				  "Unable to create '%s' fs entry\n",
 				  ACPI_PROCESSOR_FILE_PERFORMANCE));
 	else {
+		acpi_processor_perf_fops.write = acpi_processor_write_performance;
 		entry->proc_fops = &acpi_processor_perf_fops;
-		entry->proc_fops->write = acpi_processor_write_performance;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index dc9817c..22fc9e2 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -394,6 +394,7 @@
 struct file_operations acpi_processor_limit_fops = {
 	.open = acpi_processor_limit_open_fs,
 	.read = seq_read,
+	.write = acpi_processor_write_limit,
 	.llseek = seq_lseek,
 	.release = single_release,
 };
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 74a52d4..5cd056a 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -337,6 +337,7 @@
 struct file_operations acpi_processor_throttling_fops = {
 	.open = acpi_processor_throttling_open_fs,
 	.read = seq_read,
+	.write = acpi_processor_write_throttling,
 	.llseek = seq_lseek,
 	.release = single_release,
 };
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index d10668f..bd48875 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -920,8 +920,8 @@
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Unable to create 'state' fs entry\n"));
 	else {
+		acpi_video_device_state_fops.write = acpi_video_device_write_state;
 		entry->proc_fops = &acpi_video_device_state_fops;
-		entry->proc_fops->write = acpi_video_device_write_state;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
@@ -934,8 +934,8 @@
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Unable to create 'brightness' fs entry\n"));
 	else {
+		acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness;
 		entry->proc_fops = &acpi_video_device_brightness_fops;
-		entry->proc_fops->write = acpi_video_device_write_brightness;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
@@ -1239,8 +1239,8 @@
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Unable to create 'POST' fs entry\n"));
 	else {
+		acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST;
 		entry->proc_fops = &acpi_video_bus_POST_fops;
-		entry->proc_fops->write = acpi_video_bus_write_POST;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
@@ -1253,8 +1253,8 @@
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Unable to create 'DOS' fs entry\n"));
 	else {
+		acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS;
 		entry->proc_fops = &acpi_video_bus_DOS_fops;
-		entry->proc_fops->write = acpi_video_bus_write_DOS;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}