dell-smbios: make the SMBIOS buffer static

As dell-laptop has been changed to always retrieve a pointer to the
SMBIOS buffer using dell_smbios_get_buffer(), the SMBIOS buffer can be
marked static.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

2 files changed, 1 insertions, 3 deletions

diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios.c
index 1427899c4f8f..2577cf6aff0f 100644
--- a/drivers/platform/x86/dell-smbios.c
+++ b/drivers/platform/x86/dell-smbios.c
@@ -31,8 +31,7 @@ struct calling_interface_structure {
         struct calling_interface_token tokens[];
 } __packed;
 
-struct calling_interface_buffer *buffer;
-EXPORT_SYMBOL_GPL(buffer);
+static struct calling_interface_buffer *buffer;
 static DEFINE_MUTEX(buffer_mutex);
 
 static int da_command_address;
diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h
index f7a51f5ddeed..af653ff29b68 100644
--- a/drivers/platform/x86/dell-smbios.h
+++ b/drivers/platform/x86/dell-smbios.h
@@ -35,7 +35,6 @@ struct calling_interface_token {
         };
 };
 
-extern struct calling_interface_buffer *buffer;
 extern struct calling_interface_token *da_tokens;
 
 struct calling_interface_buffer *dell_smbios_get_buffer(void);