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From 3560dd9e730c41824fcaa9aeb9b4ee503aa98de1 Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Fri, 6 Jun 2014 04:11:39 +0200
Subject: [PATCH 10/13] scsi: Improve error messages more
RH-Author: Fam Zheng <famz@redhat.com>
Message-id: <1402027899-1917-3-git-send-email-famz@redhat.com>
Patchwork-id: 59164
O-Subject: [RHEL-7 qemu-kvm PATCH 2/2] scsi: Improve error messages more
Bugzilla: 1021788
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Amos Kong <akong@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
From: Paolo Bonzini <pbonzini@redhat.com>
Remove the "scsi-block:" prefix for error messages as suggested
by Markus.
Improve the previous patch by making the message the same for both
scsi-block and scsi-generic, including the strerror() output in both
and making an explicit reference to SG_IO. Also s/can not/cannot/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 6ee143a0a4f8b5c437ac327e3d694a6a0e5380ad)
Signed-off-by: Fam Zheng <famz@redhat.com>
---
hw/scsi/scsi-disk.c | 11 ++++++-----
hw/scsi/scsi-generic.c | 8 ++++++--
2 files changed, 12 insertions(+), 7 deletions(-)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
hw/scsi/scsi-disk.c | 11 ++++++-----
hw/scsi/scsi-generic.c | 8 ++++++--
2 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 5a6384e..1d41db2 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2434,26 +2434,27 @@ static int scsi_block_initfn(SCSIDevice *dev)
int rc;
if (!s->qdev.conf.bs) {
- error_report("scsi-block: drive property not set");
+ error_report("drive property not set");
return -1;
}
/* check we are using a driver managing SG_IO (version 3 and after) */
- rc = bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version);
+ rc = bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
- error_report("scsi-block: can not get version number: %s",
+ error_report("cannot get SG_IO version number: %s. "
+ "Is this a SCSI device?",
strerror(-rc));
return -1;
}
if (sg_version < 30000) {
- error_report("scsi-block: scsi generic interface too old");
+ error_report("scsi generic interface too old");
return -1;
}
/* get device type from INQUIRY data */
rc = get_device_type(s);
if (rc < 0) {
- error_report("scsi-block: INQUIRY failed");
+ error_report("INQUIRY failed");
return -1;
}
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 8d92e0d..3733d2c 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -394,6 +394,7 @@ static void scsi_destroy(SCSIDevice *s)
static int scsi_generic_initfn(SCSIDevice *s)
{
+ int rc;
int sg_version;
struct sg_scsi_id scsiid;
@@ -412,8 +413,11 @@ static int scsi_generic_initfn(SCSIDevice *s)
}
/* check we are using a driver managing SG_IO (version 3 and after */
- if (bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0) {
- error_report("scsi generic interface not supported");
+ rc = bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version);
+ if (rc < 0) {
+ error_report("cannot get SG_IO version number: %s. "
+ "Is this a SCSI device?",
+ strerror(-rc));
return -1;
}
if (sg_version < 30000) {
--
1.7.1