From: Michael Brown <mcb30@ipxe.org>
Date: Mon, 26 Mar 2018 10:31:41 +0000 (+0100)
Subject: [efi] Release SNP devices before starting SAN boot image
X-Git-Tag: v1.20.1~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=331ac451e7bcbe49f8fad16f5b6ea5330c9c169b;p=thirdparty%2Fipxe.git

[efi] Release SNP devices before starting SAN boot image

Release SNP devices to allow the SAN booted image to use our
EFI_SIMPLE_NETWORK_PROTOCOL instance, and to ensure that the image is
started at TPL_APPLICATION.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/interface/efi/efi_block.c b/src/interface/efi/efi_block.c
index c6445ab6c..91f830a11 100644
--- a/src/interface/efi/efi_block.c
+++ b/src/interface/efi/efi_block.c
@@ -638,6 +638,9 @@ static int efi_block_boot ( unsigned int drive, const char *filename ) {
 		goto err_sandev_find;
 	}
 
+	/* Release SNP devices */
+	efi_snp_release();
+
 	/* Connect all possible protocols */
 	efi_block_connect ( sandev );
 
@@ -673,6 +676,7 @@ static int efi_block_boot ( unsigned int drive, const char *filename ) {
 
 	bs->FreePool ( handles );
  err_locate_file_systems:
+	efi_snp_claim();
  err_sandev_find:
 	return rc;
 }