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 d8ffbf8..402126a 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1522,7 +1522,7 @@
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;
}