linux-kernel - [PATCH] lguest: fix switcher

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Message-ID: <87r6a4n5hl.fsf@saeurebad.de>
Date:	Tue, 08 Jul 2008 10:29:42 +0200
From:	Johannes Weiner <hannes@...urebad.de>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH] lguest: fix switcher_page leak on unload

map_switcher allocates the array, unmap_switcher has to free it
accordingly.

Signed-off-by: Johannes Weiner <hannes@...urebad.de>
---

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 5eea435..90663e0 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -135,6 +135,7 @@ static void unmap_switcher(void)
 	/* Now we just need to free the pages we copied the switcher into */
 	for (i = 0; i < TOTAL_SWITCHER_PAGES; i++)
 		__free_pages(switcher_page[i], 0);
+	kfree(switcher_page);
 }
 
 /*H:032
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