xen-netback: fix sparse warning

commit 9eaee8beeeb3bca0d9b14324fd9d467d48db784c upstream.

Fix warning about 0 used as NULL.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index d8ffbf84e3dfb58cf28038337753c288e1f32132..402126a8ffbcec5dadbef03c33ab974d595bc44b 100644 (file)
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1522,7 +1522,7 @@ 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;
 }