Merge tag 'efi-2020-07-rc2-3' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for efi-2020-07-rc2-3

This series contains bug fixes and code simplifications.

Following clarification in the discussion of the EBBR specification
device trees will be passed as EfiACPIReclaimMemory to UEFI applications.

4 files changed, 27 insertions, 21 deletions

diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index eff3c25ec3..84d61df55b 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -17,6 +17,7 @@ CFLAGS_REMOVE_helloworld.o := $(CFLAGS_NON_EFI)
 
 ifneq ($(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
 always += helloworld.efi
+targets += helloworld.o
 endif
 
 obj-$(CONFIG_CMD_BOOTEFI_HELLO) += helloworld_efi.o
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index 73f1fe75a8..f9349484a6 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -530,7 +530,7 @@ __maybe_unused static void *dp_fill(void *buf, struct udevice *dev)
 #ifdef CONFIG_SANDBOX
 		case UCLASS_ROOT: {
 			/* stop traversing parents at this point: */
-			struct efi_device_path_vendor *dp = buf;
+			struct efi_device_path_vendor *dp;
 			struct blk_desc *desc = dev_get_uclass_platdata(dev);
 
 			dp_fill(buf, dev->parent);
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c
index 5a9a6424cc..4e075ae416 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -13,7 +13,8 @@
 #include <malloc.h>
 #include <pe.h>
 #include <sort.h>
-#include "crypto/pkcs7_parser.h"
+#include <crypto/pkcs7_parser.h>
+#include <linux/err.h>
 
 const efi_guid_t efi_global_variable_guid = EFI_GLOBAL_VARIABLE_GUID;
 const efi_guid_t efi_guid_device_path = EFI_DEVICE_PATH_PROTOCOL_GUID;
@@ -538,8 +539,9 @@ static bool efi_image_authenticate(void *efi, size_t efi_size)
 		}
 		msg = pkcs7_parse_message((void *)wincert + sizeof(*wincert),
 					  wincert->dwLength - sizeof(*wincert));
-		if (!msg) {
+		if (IS_ERR(msg)) {
 			debug("Parsing image's signature failed\n");
+			msg = NULL;
 			goto err;
 		}
 
diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index 58f8fae358..60c1201757 100644
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -30,6 +30,18 @@ static u8 efi_vendor_keys;
 
 #define READ_ONLY BIT(31)
 
+static efi_status_t efi_get_variable_common(u16 *variable_name,
+					    const efi_guid_t *vendor,
+					    u32 *attributes,
+					    efi_uintn_t *data_size, void *data);
+
+static efi_status_t efi_set_variable_common(u16 *variable_name,
+					    const efi_guid_t *vendor,
+					    u32 attributes,
+					    efi_uintn_t data_size,
+					    const void *data,
+					    bool ro_check);
+
 /*
  * Mapping between EFI variables and u-boot variables:
  *
@@ -169,13 +181,6 @@ static const char *parse_attr(const char *str, u32 *attrp, u64 *timep)
 	return str;
 }
 
-static efi_status_t efi_set_variable_common(u16 *variable_name,
-					    const efi_guid_t *vendor,
-					    u32 attributes,
-					    efi_uintn_t data_size,
-					    const void *data,
-					    bool ro_check);
-
 /**
  * efi_set_secure_state - modify secure boot state variables
  * @sec_boot:		value of SecureBoot
@@ -300,8 +305,8 @@ static efi_status_t efi_init_secure_state(void)
 	 */
 
 	size = 0;
-	ret = EFI_CALL(efi_get_variable(L"PK", &efi_global_variable_guid,
-					NULL, &size, NULL));
+	ret = efi_get_variable_common(L"PK", &efi_global_variable_guid,
+				      NULL, &size, NULL);
 	if (ret == EFI_BUFFER_TOO_SMALL) {
 		if (IS_ENABLED(CONFIG_EFI_SECURE_BOOT))
 			mode = EFI_MODE_USER;
@@ -519,9 +524,8 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
 	var_sig = efi_variable_parse_signature(auth->auth_info.cert_data,
 					       auth->auth_info.hdr.dwLength
 						   - sizeof(auth->auth_info));
-	if (IS_ERR(var_sig)) {
+	if (!var_sig) {
 		debug("Parsing variable's signature failed\n");
-		var_sig = NULL;
 		goto err;
 	}
 
@@ -587,8 +591,7 @@ static efi_status_t efi_variable_authenticate(u16 *variable,
 }
 #endif /* CONFIG_EFI_SECURE_BOOT */
 
-static
-efi_status_t EFIAPI efi_get_variable_common(u16 *variable_name,
+static efi_status_t efi_get_variable_common(u16 *variable_name,
 					    const efi_guid_t *vendor,
 					    u32 *attributes,
 					    efi_uintn_t *data_size, void *data)
@@ -893,8 +896,8 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
 	/* check if a variable exists */
 	old_size = 0;
 	attr = 0;
-	ret = EFI_CALL(efi_get_variable(variable_name, vendor, &attr,
-					&old_size, NULL));
+	ret = efi_get_variable_common(variable_name, vendor, &attr,
+				      &old_size, NULL);
 	append = !!(attributes & EFI_VARIABLE_APPEND_WRITE);
 	attributes &= ~(u32)EFI_VARIABLE_APPEND_WRITE;
 	delete = !append && (!data_size || !attributes);
@@ -981,11 +984,11 @@ static efi_status_t efi_set_variable_common(u16 *variable_name,
 	if (append) {
 		old_data = malloc(old_size);
 		if (!old_data) {
-			return EFI_OUT_OF_RESOURCES;
+			ret = EFI_OUT_OF_RESOURCES;
 			goto err;
 		}
-		ret = EFI_CALL(efi_get_variable(variable_name, vendor,
-						&attr, &old_size, old_data));
+		ret = efi_get_variable_common(variable_name, vendor,
+					      &attr, &old_size, old_data);
 		if (ret != EFI_SUCCESS)
 			goto err;
 	} else {