1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index c90bd2f70b3f..d86dcb3c2366 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -57,7 +57,7 @@ static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
 	return single_open(file, acpi_system_read_info, PDE(inode)->data);
 }
 
-static struct file_operations acpi_system_info_ops = {
+static const struct file_operations acpi_system_info_ops = {
 	.open = acpi_system_info_open_fs,
 	.read = seq_read,
 	.llseek = seq_lseek,
@@ -67,7 +67,7 @@ static struct file_operations acpi_system_info_ops = {
 static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
 				     loff_t *);
 
-static struct file_operations acpi_system_dsdt_ops = {
+static const struct file_operations acpi_system_dsdt_ops = {
 	.read = acpi_system_read_dsdt,
 };
 
@@ -86,7 +86,7 @@ acpi_system_read_dsdt(struct file *file,
 
 	res = simple_read_from_buffer(buffer, count, ppos,
 				      dsdt.pointer, dsdt.length);
-	acpi_os_free(dsdt.pointer);
+	kfree(dsdt.pointer);
 
 	return res;
 }
@@ -94,7 +94,7 @@ acpi_system_read_dsdt(struct file *file,
 static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
 				     loff_t *);
 
-static struct file_operations acpi_system_fadt_ops = {
+static const struct file_operations acpi_system_fadt_ops = {
 	.read = acpi_system_read_fadt,
 };
 
@@ -113,7 +113,7 @@ acpi_system_read_fadt(struct file *file,
 
 	res = simple_read_from_buffer(buffer, count, ppos,
 				      fadt.pointer, fadt.length);
-	acpi_os_free(fadt.pointer);
+	kfree(fadt.pointer);
 
 	return res;
 }