[U-Boot] [PATCH 18/23] efi_net: return EFI_UNSUPPORTED where appropriate

[Heinrich Schuchardt]

U-Boot does not implement all functions of the simple network
protocol. The unimplemented functions return either of
EFI_SUCCESS and EFI_INVALID_PARAMETER.

The UEFI spec foresees to return EFI_UNSUPPORTED in these cases.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 lib/efi_loader/efi_net.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c
index 75d7974b0e..38a3a4fac4 100644
--- a/lib/efi_loader/efi_net.c
+++ b/lib/efi_loader/efi_net.c
@@ -81,9 +81,7 @@ static efi_status_t EFIAPI efi_net_receive_filters(
        EFI_ENTRY("%p, %x, %x, %x, %lx, %p", this, enable, disable,
                  reset_mcast_filter, mcast_filter_count, mcast_filter);
 
-       /* XXX Do we care? */
-
-       return EFI_EXIT(EFI_SUCCESS);
+       return EFI_EXIT(EFI_UNSUPPORTED);
 }
 
 static efi_status_t EFIAPI efi_net_station_address(
@@ -92,7 +90,7 @@ static efi_status_t EFIAPI efi_net_station_address(
 {
        EFI_ENTRY("%p, %x, %p", this, reset, new_mac);
 
-       return EFI_EXIT(EFI_INVALID_PARAMETER);
+       return EFI_EXIT(EFI_UNSUPPORTED);
 }
 
 static efi_status_t EFIAPI efi_net_statistics(struct efi_simple_network *this,
@@ -101,7 +99,7 @@ static efi_status_t EFIAPI efi_net_statistics(struct 
efi_simple_network *this,
 {
        EFI_ENTRY("%p, %x, %p, %p", this, reset, stat_size, stat_table);
 
-       return EFI_EXIT(EFI_INVALID_PARAMETER);
+       return EFI_EXIT(EFI_UNSUPPORTED);
 }
 
 static efi_status_t EFIAPI efi_net_mcastiptomac(struct efi_simple_network 
*this,
@@ -121,7 +119,7 @@ static efi_status_t EFIAPI efi_net_nvdata(struct 
efi_simple_network *this,
        EFI_ENTRY("%p, %x, %lx, %lx, %p", this, read_write, offset, buffer_size,
                  buffer);
 
-       return EFI_EXIT(EFI_INVALID_PARAMETER);
+       return EFI_EXIT(EFI_UNSUPPORTED);
 }
 
 static efi_status_t EFIAPI efi_net_get_status(struct efi_simple_network *this,
-- 
2.14.1

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