Errors may occur inside efi_smbios_register().
- Return a status code.
- Remove unused variables.
- Use constants where applicable.
Suggested-by: Simon Glass <s...@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
v3
no change
v2
remove a change in unrelated code
resent with this patch series
---
include/efi_loader.h | 2 +-
lib/efi_loader/efi_smbios.c | 23 +++++++++++++++--------
2 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 07730c3f39..72c83fd503 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -185,7 +185,7 @@ int efi_net_register(void);
/* Called by bootefi to make the watchdog available */
int efi_watchdog_register(void);
/* Called by bootefi to make SMBIOS tables available */
-void efi_smbios_register(void);
+efi_status_t efi_smbios_register(void);
struct efi_simple_file_system_protocol *
efi_fs_from_path(struct efi_device_path *fp);
diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c
index ac412e7362..62e9697902 100644
--- a/lib/efi_loader/efi_smbios.c
+++ b/lib/efi_loader/efi_smbios.c
@@ -13,20 +13,27 @@
static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
-void efi_smbios_register(void)
+/*
+ * Install the SMBIOS table as a configuration table.
+ *
+ * @return status code
+ */
+efi_status_t efi_smbios_register(void)
{
/* Map within the low 32 bits, to allow for 32bit SMBIOS tables */
- uint64_t dmi = 0xffffffff;
- /* Reserve 4kb for SMBIOS */
- uint64_t pages = 1;
- int memtype = EFI_RUNTIME_SERVICES_DATA;
+ u64 dmi = U32_MAX;
+ efi_status_t ret;
- if (efi_allocate_pages(1, memtype, pages, &dmi) != EFI_SUCCESS)
- return;
+ /* Reserve 4kiB page for SMBIOS */
+ ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
+ EFI_RUNTIME_SERVICES_DATA, 1, &dmi);
+ if (ret != EFI_SUCCESS)
+ return ret;
/* 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 efi_install_configuration_table(&smbios_guid,
+ (void *)(uintptr_t)dmi);
}
--
2.14.2
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