From 08c40fb35ed6aed1e33ffeb21052e7ac785eb440 Mon Sep 17 00:00:00 2001
From: Diego Domingos <diegodo@br.ibm.com>
Date: Fri, 25 Feb 2022 12:49:51 -0500
Subject: [PATCH 142/272] ieee1275: change the logic of ieee1275_get_devargs()

Usually grub will parse the PFW arguments by searching for the first occurence of the character ':'.
However, we can have this char more than once on NQN.
This patch changes the logic to find the last occurence of this char so we can get the proper values
for NVMeoFC
---
 grub-core/kern/ieee1275/openfw.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/grub-core/kern/ieee1275/openfw.c b/grub-core/kern/ieee1275/openfw.c
index f93d323eb..e2ffec32d 100644
--- a/grub-core/kern/ieee1275/openfw.c
+++ b/grub-core/kern/ieee1275/openfw.c
@@ -354,6 +354,13 @@ static char *
 grub_ieee1275_get_devargs (const char *path)
 {
   char *colon = grub_strchr (path, ':');
+  char *colon_check = colon;
+
+  /* Find the last occurence of colon */
+  while(colon_check){
+    colon = colon_check;
+    colon_check = grub_strchr (colon+1, ':');
+  }
 
   if (! colon)
     return 0;
@@ -368,6 +375,18 @@ grub_ieee1275_get_devname (const char *path)
   char *colon = grub_strchr (path, ':');
   int pathlen = grub_strlen (path);
   struct grub_ieee1275_devalias curalias;
+
+  /* Check some special cases */
+  if(grub_strstr(path, "nvme-of")){
+    char *namespace_split = grub_strstr(path,"/namespace@");
+    if(namespace_split){
+      colon = grub_strchr (namespace_split, ':');
+    } else {
+      colon = NULL;
+    }
+
+  }
+
   if (colon)
     pathlen = (int)(colon - path);
 
@@ -693,7 +712,7 @@ grub_ieee1275_get_boot_dev (void)
       return NULL;
     }
 
-  bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64);
+  bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64 + 256);
   if (! bootpath)
     {
       grub_print_error ();
-- 
2.41.0