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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@gmail.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
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