[Xen-devel] [PATCH 09/12] xen: make use of xenbus_read_unsigned() in xen-scsifront

[Juergen Gross <jgross@xxxxxxxx>]

Use xenbus_read_unsigned() instead of xenbus_scanf() when possible.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 drivers/scsi/xen-scsifront.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 9dc8687..7e817c6 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -1060,13 +1060,9 @@ static void scsifront_read_backend_params(struct 
xenbus_device *dev,
                                          struct vscsifrnt_info *info)
 {
        unsigned int sg_grant, nr_segs;
-       int ret;
        struct Scsi_Host *host = info->host;
 
-       ret = xenbus_scanf(XBT_NIL, dev->otherend, "feature-sg-grant", "%u",
-                          &sg_grant);
-       if (ret != 1)
-               sg_grant = 0;
+       sg_grant = xenbus_read_unsigned(dev->otherend, "feature-sg-grant", 0);
        nr_segs = min_t(unsigned int, sg_grant, SG_ALL);
        nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE);
        nr_segs = min_t(unsigned int, nr_segs,
-- 
2.6.6


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