dell-smbios: don't return an SMBIOS buffer from dell_smbios_send_request()

An SMBIOS buffer pointer does not need to be returned by
dell_smbios_send_request(), because SMBIOS call results are stored in
the buffer exported by the module.

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>

drivers/platform/x86/dell-smbios.c

@@ -60,8 +60,7 @@ void dell_smbios_release_buffer(void)
 }
 EXPORT_SYMBOL_GPL(dell_smbios_release_buffer);
 
-struct calling_interface_buffer *
-dell_smbios_send_request(int class, int select)
+void dell_smbios_send_request(int class, int select)
 {
 	struct smi_cmd command;
 
@@ -75,8 +74,6 @@ dell_smbios_send_request(int class, int select)
 	buffer->select = select;
 
 	dcdbas_smi_request(&command);
-
-	return buffer;
 }
 EXPORT_SYMBOL_GPL(dell_smbios_send_request);
 

drivers/platform/x86/dell-smbios.h

@@ -41,8 +41,7 @@ extern struct calling_interface_token *da_tokens;
 void dell_smbios_get_buffer(void);
 void dell_smbios_clear_buffer(void);
 void dell_smbios_release_buffer(void);
-struct calling_interface_buffer *
-dell_smbios_send_request(int class, int select);
+void dell_smbios_send_request(int class, int select);
 
 int find_token_id(int tokenid);
 int find_token_location(int tokenid);