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scsi: Improve error messages more 

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>
This commit is contained in:
Paolo Bonzini 2014-04-28 12:14:57 +02:00
parent 4bbeb8b173
commit 6ee143a0a4
2 changed files with 12 additions and 7 deletions
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11
hw/scsi/scsi-disk.c
View File

@ -2458,26 +2458,27 @@ 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;
}

8
hw/scsi/scsi-generic.c
View File

@ -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) {