From: Darren Kenny <darren.kenny@oracle.com>
Date: Thu, 3 Dec 2020 14:39:45 +0000 (+0000)
Subject: mmap: Fix memory leak when iterating over mapped memory
X-Git-Tag: grub-2.06-rc1~126
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cb2848f9699642a698af84b12ba187cab722031;p=thirdparty%2Fgrub.git

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>
---

diff --git a/grub-core/mmap/mmap.c b/grub-core/mmap/mmap.c
index 3cae68364..c8c8312c5 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;
 }