On Wed, Apr 25, 2018 at 16:52:41 +0100, Daniel Berrange wrote: > The virStorageFileGetBackingStoreStr method has overloaded the NULL > return value to indicate both no backing available and a fatal > error dealing with it. > > The caller is thus not able to correctly propagate the error > messages. > > Signed-off-by: Daniel P. Berrangé <berra...@redhat.com> > --- > src/qemu/qemu_driver.c | 15 +++++++++------ > src/util/virstoragefile.c | 49 > +++++++++++++++++++++++++++++++---------------- > src/util/virstoragefile.h | 5 +++-- > 3 files changed, 44 insertions(+), 25 deletions(-)
[...]
> diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
> index 531540ac91..f09035cd4a 100644
> --- a/src/util/virstoragefile.c
> +++ b/src/util/virstoragefile.c
> @@ -4357,14 +4357,8 @@ virStorageFileRead(virStorageSourcePtr src,
> return -1;
> }
>
> - if (!src->drv->backend->storageFileRead) {
> - virReportError(VIR_ERR_INTERNAL_ERROR,
> - _("storage file reading is not supported for "
> - "storage type %s (protocol: %s)"),
> - virStorageTypeToString(src->type),
> - virStorageNetProtocolTypeToString(src->protocol));
> + if (!src->drv->backend->storageFileRead)
This is called from qemuDomainBlockPeek, where this would cause no error
to be reported.
ACK with the above addressed.
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