storage: Invert retval logic in virStorageBackendSCSITriggerRescan

Rather than initialize to 0 and change to -1 on error, let's do the
normal operation of initializing to -1 and set to 0 on success.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
John Ferlan 2019-02-11 21:48:53 -05:00
parent 763b76cbf6
commit 5028781621

View File

@ -56,16 +56,14 @@ static int
virStorageBackendSCSITriggerRescan(uint32_t host)
{
int fd = -1;
int retval = 0;
int retval = -1;
char *path = NULL;
VIR_DEBUG("Triggering rescan of host %d", host);
if (virAsprintf(&path, "%s/host%u/scan",
LINUX_SYSFS_SCSI_HOST_PREFIX, host) < 0) {
retval = -1;
LINUX_SYSFS_SCSI_HOST_PREFIX, host) < 0)
goto cleanup;
}
VIR_DEBUG("Scan trigger path is '%s'", path);
@ -75,7 +73,6 @@ virStorageBackendSCSITriggerRescan(uint32_t host)
virReportSystemError(errno,
_("Could not open '%s' to trigger host scan"),
path);
retval = -1;
goto cleanup;
}
@ -85,9 +82,11 @@ virStorageBackendSCSITriggerRescan(uint32_t host)
virReportSystemError(errno,
_("Write to '%s' to trigger host scan failed"),
path);
retval = -1;
goto cleanup;
}
retval = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
VIR_FREE(path);