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From 7f13b7cbc515fbd9af4c28ae184f3e66ce573d63 Mon Sep 17 00:00:00 2001
From: Pino Toscano <ptoscano@redhat.com>
Date: Mon, 24 Aug 2015 18:25:10 +0200
Subject: [PATCH] v2v: ignore missing kernels from grub (RHBZ#1230412)

Raise a warning for each kernel specified in grub which does not
actually exist, keep going on with the conversion using the remaining
(existing) kernels.

(cherry picked from commit 74f0b45ddf35f1cb1684702e9d3318d77fc3b520)
---
 v2v/convert_linux.ml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/v2v/convert_linux.ml b/v2v/convert_linux.ml
index c110825..19cdabc 100644
--- a/v2v/convert_linux.ml
+++ b/v2v/convert_linux.ml
@@ -357,7 +357,14 @@ let rec convert ~verbose ~keep_serial_console (g : G.guestfs) inspect source =
                 statbuf.G.st_dev = s.G.st_dev && statbuf.G.st_ino = s.G.st_ino
             ) installed_kernels in
           Some kernel
-        with Not_found -> None
+        with
+        | Not_found -> None
+        | G.Error msg as exn ->
+          (* If it isn't "no such file or directory", then re-raise it. *)
+          if g#last_errno () <> G.Errno.errno_ENOENT then raise exn;
+          warning ~prog (f_"ignoring kernel %s in grub, as it does not exist.")
+            vmlinuz;
+          None
     ) vmlinuzes in
 
   if verbose then (
-- 
1.8.3.1