[Xen-devel] [patch] xen-netback: double free on unload

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

There is a typo here, "i" vs "j", so we would crash on module_exit().

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/net/xen-netback/netback.c 
b/drivers/net/xen-netback/netback.c
index a0b50ad..130bcb2 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1968,8 +1968,8 @@ static void __exit netback_fini(void)
                del_timer_sync(&netbk->net_timer);
                kthread_stop(netbk->task);
                for (j = 0; j < MAX_PENDING_REQS; j++) {
-                       if (netbk->mmap_pages[i])
-                               __free_page(netbk->mmap_pages[i]);
+                       if (netbk->mmap_pages[j])
+                               __free_page(netbk->mmap_pages[j]);
                }
        }
 

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