[PATCH 023/105] xen-netback: fix sparse warning

[Kamal Mostafa]

3.8.13.4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: stephen hemminger <stephen at networkplumber.org>

commit 9eaee8beeeb3bca0d9b14324fd9d467d48db784c upstream.

Fix warning about 0 used as NULL.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/net/xen-netback/netback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index aa28550..40a4766 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1547,7 +1547,7 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx,
 
 	xenvif_put(vif);
 
-	netbk->mmap_pages[pending_idx]->mapping = 0;
+	netbk->mmap_pages[pending_idx]->mapping = NULL;
 	put_page(netbk->mmap_pages[pending_idx]);
 	netbk->mmap_pages[pending_idx] = NULL;
 }
-- 
1.8.1.2