This function can fail but gives no indication of failure. Update it to return an error when something goes wrong.
Signed-off-by: Simon Glass sjg@chromium.org ---
include/efi_loader.h | 10 ++++++++-- lib/efi_loader/efi_smbios.c | 6 ++++-- 2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/efi_loader.h b/include/efi_loader.h index 2051fc994e..79d2dad22c 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -150,8 +150,14 @@ int efi_disk_register(void); int efi_gop_register(void); /* Called by bootefi to make the network interface available */ int efi_net_register(void **handle); -/* Called by bootefi to make SMBIOS tables available */ -void efi_smbios_register(void); +/** + * efi_smbios_register() - write out SMBIOS tables + * + * Called by bootefi to make SMBIOS tables available + * + * @return 0 if OK, -ENOMEM if no memory is available for the tables + */ +int efi_smbios_register(void);
/* Called by networking code to memorize the dhcp ack package */ void efi_net_set_dhcp_ack(void *pkt, int len); diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c index ac412e7362..3b87294dc3 100644 --- a/lib/efi_loader/efi_smbios.c +++ b/lib/efi_loader/efi_smbios.c @@ -13,7 +13,7 @@
static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
-void efi_smbios_register(void) +int efi_smbios_register(void) { /* Map within the low 32 bits, to allow for 32bit SMBIOS tables */ uint64_t dmi = 0xffffffff; @@ -22,11 +22,13 @@ void efi_smbios_register(void) int memtype = EFI_RUNTIME_SERVICES_DATA;
if (efi_allocate_pages(1, memtype, pages, &dmi) != EFI_SUCCESS) - return; + return -ENOMEM;
/* Generate SMBIOS tables */ write_smbios_table(dmi);
/* And expose them to our EFI payload */ efi_install_configuration_table(&smbios_guid, (void*)(uintptr_t)dmi); + + return 0; }