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@saeurebad.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 5eea4356d703..90663e01a56e 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