efi_selftest: memory leak testing manage protocols

Remove memory leak in efi_selftest_manageprotocols.c.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

lib/efi_selftest/efi_selftest_manageprotocols.c

@@ -179,7 +179,12 @@ static int execute(void)
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
-	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);
+	/* Release buffer */
+	ret = boottime->free_pool(buffer);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("FreePool failed\n");
+		return EFI_ST_FAILURE;
+	}
 
 	/*
 	 * Test error handling in UninstallMultipleProtocols
@@ -221,6 +226,7 @@ static int execute(void)
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
+	/* Clear the buffer, we are reusing it it the next step. */
 	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);
 
 	/*
@@ -248,7 +254,12 @@ static int execute(void)
 		efi_st_error("LocateHandle failed to locate new handles\n");
 		return EFI_ST_FAILURE;
 	}
-	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);
+	/* Release buffer */
+	ret = boottime->free_pool(buffer);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("FreePool failed\n");
+		return EFI_ST_FAILURE;
+	}
 
 	/*
 	 * Test LocateProtocol
@@ -319,6 +330,12 @@ static int execute(void)
 		efi_st_error("Failed to get protocols per handle\n");
 		return EFI_ST_FAILURE;
 	}
+	/* Release buffer */
+	ret = boottime->free_pool(prot_buffer);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("FreePool failed\n");
+		return EFI_ST_FAILURE;
+	}
 
 	/*
 	 * Uninstall remaining protocols