linux-kernel - [17/83] xen-netback: fix sparse warning

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Message-ID: <lsq.1371420097.163929684@decadent.org.uk>
Date:	Sun, 16 Jun 2013 23:01:37 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"stephen hemminger" <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: [17/83] xen-netback: fix sparse warning

3.2.47-rc1 review patch.  If anyone has any objections, please let me know.

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

From: stephen hemminger <stephen@...workplumber.org>

commit 9eaee8beeeb3bca0d9b14324fd9d467d48db784c upstream.

Fix warning about 0 used as NULL.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/net/xen-netback/netback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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
 
 	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;
 }

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