grub2/grub2-efinet-reopen-SNP-protocol-for-exclusive-use-by-grub.patch

From 42d3848d0162ea8f824d63d57afb43b8b0a96860 Mon Sep 17 00:00:00 2001
From: Fedora Ninjas <grub2-owner@fedoraproject.org>
Date: Sat, 15 Feb 2014 15:10:22 -0500
Subject: [PATCH 110/112] reopen SNP protocol for exclusive use by grub

References: bnc#871555
Patch-Mainline: no
---
 grub-core/net/drivers/efi/efinet.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c
index 2b344d6..a6e4c79 100644
--- a/grub-core/net/drivers/efi/efinet.c
+++ b/grub-core/net/drivers/efi/efinet.c
@@ -223,6 +223,7 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
 {
   struct grub_net_card *card;
   grub_efi_device_path_t *dp;
+  grub_efi_simple_network_t *net;
 
   dp = grub_efi_get_device_path (hnd);
   if (! dp)
@@ -250,6 +251,21 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
 				    &pxe_mode->dhcp_ack,
 				    sizeof (pxe_mode->dhcp_ack),
 				    1, device, path);
+    net = grub_efi_open_protocol (card->efi_handle, &net_io_guid,
+				  GRUB_EFI_OPEN_PROTOCOL_BY_EXCLUSIVE);
+    if (net) {
+      if (net->mode->state == GRUB_EFI_NETWORK_STOPPED
+	  && efi_call_1 (net->start, net) != GRUB_EFI_SUCCESS)
+	continue;
+
+      if (net->mode->state == GRUB_EFI_NETWORK_STOPPED)
+	continue;
+
+      if (net->mode->state == GRUB_EFI_NETWORK_STARTED
+	  && efi_call_3 (net->initialize, net, 0, 0) != GRUB_EFI_SUCCESS)
+	continue;
+      card->efi_net = net;
+    }
     return;
   }
 }
-- 
1.8.5.3