boot/grub2/0049-mmap-Fix-memory-leak-when-iterating-over-mapped-memo.patch

From 8cb2848f9699642a698af84b12ba187cab722031 Mon Sep 17 00:00:00 2001
From: Darren Kenny <darren.kenny@oracle.com>
Date: Thu, 3 Dec 2020 14:39:45 +0000
Subject: [PATCH] mmap: Fix memory leak when iterating over mapped memory

When returning from grub_mmap_iterate() the memory allocated to present
is not being released causing it to leak.

Fixes: CID 96655

Signed-off-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
---
 grub-core/mmap/mmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grub-core/mmap/mmap.c b/grub-core/mmap/mmap.c
index 7ebf32e..8bf235f 100644
--- a/grub-core/mmap/mmap.c
+++ b/grub-core/mmap/mmap.c
@@ -270,6 +270,7 @@ grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
 		   hook_data))
 	{
 	  grub_free (ctx.scanline_events);
+	  grub_free (present);
 	  return GRUB_ERR_NONE;
 	}
 
@@ -282,6 +283,7 @@ grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
     }
 
   grub_free (ctx.scanline_events);
+  grub_free (present);
   return GRUB_ERR_NONE;
 }
 
-- 
2.14.2