linux-kernel - [PATCH] xen: xen-pciback: fix warning Using plain integer as NULL pointer

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Date:   Sat, 6 Apr 2019 17:59:12 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: [PATCH] xen: xen-pciback: fix warning Using plain integer as NULL
 pointer

Changes passing function argument 0 to NULL to avoid below sparse
warning

 CHECK   drivers/xen/xen-pciback/xenbus.c
drivers/xen/xen-pciback/xenbus.c:700:51: warning: Using plain integer as
NULL pointer

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
---
 drivers/xen/xen-pciback/xenbus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 23f7f6e..833b2d2 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -697,7 +697,7 @@ static int xen_pcibk_xenbus_probe(struct xenbus_device *dev,
 	/* We need to force a call to our callback here in case
 	 * xend already configured us!
 	 */
-	xen_pcibk_be_watch(&pdev->be_watch, NULL, 0);
+	xen_pcibk_be_watch(&pdev->be_watch, NULL, NULL);
 
 out:
 	return err;
-- 
2.7.4