From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, xen-devel@lists.xen.org
Cc: david.vrabel@citrix.com, boris.ostrovsky@oracle.com,
Juergen Gross <jgross@suse.com>
Subject: [PATCH 09/12] xen: make use of xenbus_read_unsigned() in xen-scsifront
Date: Mon, 31 Oct 2016 17:48:27 +0100 [thread overview]
Message-ID: <1477932510-28594-10-git-send-email-jgross@suse.com> (raw)
In-Reply-To: <1477932510-28594-1-git-send-email-jgross@suse.com>
Use xenbus_read_unsigned() instead of xenbus_scanf() when possible.
Signed-off-by: Juergen Gross <jgross@suse.com>
---
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
next prev parent reply other threads:[~2016-10-31 16:50 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 16:48 [PATCH 00/12] xen: add common function for reading optional value Juergen Gross
2016-10-31 16:48 ` [PATCH 01/12] xen: introduce xenbus_read_unsigned() Juergen Gross
2016-11-07 11:02 ` [Xen-devel] " David Vrabel
2016-10-31 16:48 ` [PATCH 02/12] xen: make use of xenbus_read_unsigned() in xen-blkback Juergen Gross
2016-10-31 16:48 ` [PATCH 03/12] xen: make use of xenbus_read_unsigned() in xen-blkfront Juergen Gross
2016-10-31 16:48 ` [PATCH 04/12] xen: make use of xenbus_read_unsigned() in xen-tpmfront Juergen Gross
2016-11-02 10:34 ` Jarkko Sakkinen
2016-11-04 4:26 ` Jarkko Sakkinen
2016-10-31 16:48 ` [PATCH 05/12] xen: make use of xenbus_read_unsigned() in xen-kbdfront Juergen Gross
2016-11-09 0:29 ` Dmitry Torokhov
2016-10-31 16:48 ` [PATCH 06/12] xen: make use of xenbus_read_unsigned() in xen-netback Juergen Gross
2016-11-01 9:42 ` Paul Durrant
2016-10-31 16:48 ` [PATCH 07/12] xen: make use of xenbus_read_unsigned() in xen-netfront Juergen Gross
2016-10-31 16:48 ` [PATCH 08/12] xen: make use of xenbus_read_unsigned() in xen-pcifront Juergen Gross
2016-10-31 18:18 ` Bjorn Helgaas
2016-10-31 16:48 ` Juergen Gross [this message]
2016-10-31 16:48 ` [PATCH 10/12] xen: make use of xenbus_read_unsigned() in xen-fbfront Juergen Gross
2016-10-31 16:48 ` [PATCH 11/12] xen: make use of xenbus_read_unsigned() in xen-pciback Juergen Gross
2016-10-31 16:48 ` [PATCH 12/12] xen: make use of xenbus_read_unsigned() in xenbus Juergen Gross
2016-10-31 17:08 ` [PATCH 00/12] xen: add common function for reading optional value David Miller
2016-11-01 4:33 ` Juergen Gross
2016-11-07 11:08 ` David Vrabel
2016-11-07 16:20 ` Jarkko Sakkinen
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