From 0224e3d9265171bb13ef4dd64d48f76dbd5c1078 Mon Sep 17 00:00:00 2001

From: Colin Watson <cjwatson@debian.org>

Date: Mon, 13 Jan 2014 12:12:54 +0000

Subject: Disable use of floppy devices

An ugly kludge.  Should this be merged upstream?

Author: Robert Millan

Patch-Name: disable_floppies.patch

---

 grub-core/kern/emu/hostdisk.c | 12 ++++++++++++

 1 file changed, 12 insertions(+)

diff --git a/grub-core/kern/emu/hostdisk.c b/grub-core/kern/emu/hostdisk.c

index 87e3e2512..d66e12d85 100644

--- a/grub-core/kern/emu/hostdisk.c

+++ b/grub-core/kern/emu/hostdisk.c

@@ -532,6 +532,18 @@ read_device_map (const char *dev_map)

 	  continue;

 	}

+      if (! strncmp (p, "/dev/fd", sizeof ("/dev/fd") - 1))

+	{

+	  char *q = p + sizeof ("/dev/fd") - 1;

+	  if (*q >= '0' && *q <= '9')

+	    {

+	      free (map[drive].drive);

+	      map[drive].drive = NULL;

+	      grub_util_info ("`%s' looks like a floppy drive, skipping", p);

+	      continue;

+	    }

+	}

+

       /* On Linux, the devfs uses symbolic links horribly, and that

 	 confuses the interface very much, so use realpath to expand

 	 symbolic links.  */