[libvirt] [PATCH 1/3] iscsi: Check for presence of error before creating new one
Ján Tomko
jtomko at redhat.com
Tue Mar 31 11:03:13 UTC 2015
On Mon, Mar 30, 2015 at 07:16:32PM -0400, John Ferlan wrote:
> If virStorageBackendSCSIFindLUs fails, but the failure has an error
> message - the iscsi code didn't honor that creating it's own wonderful
> message such as "error: Failed to find LUs on host 60: ..." - not overly
> helpful. Since a few of the called paths generate a message, check for
> that before using that generic one.
Both of the paths returning -1 generate an error:
* return -1 after opendir failed
* retval = virDirRead
>
> Signed-off-by: John Ferlan <jferlan at redhat.com>
> ---
> src/storage/storage_backend_iscsi.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/src/storage/storage_backend_iscsi.c b/src/storage/storage_backend_iscsi.c
> index 079c767..1dac238 100644
> --- a/src/storage/storage_backend_iscsi.c
> +++ b/src/storage/storage_backend_iscsi.c
> @@ -147,8 +147,9 @@ virStorageBackendISCSIFindLUs(virStoragePoolObjPtr pool,
> }
>
> if (virStorageBackendSCSIFindLUs(pool, host) < 0) {
> - virReportSystemError(errno,
> - _("Failed to find LUs on host %u"), host);
> + if (virGetLastError() == NULL)
This condition is never true. And it should only be used if
we can't fix the function to consistently set an error in all
cases.
Jan
> + virReportSystemError(errno,
> + _("Failed to find LUs on host %u"), host);
> retval = -1;
> }
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