On Thu, 15 Mar 2012 00:55:14 +0200 Alon Levy <al...@redhat.com> wrote:
> This is a little trickier, since those calls chain in many fun ways and > produce sometimes their own return values reusing existing errno values > for similar meanings. In that respect error_set_file_open_failed > specifically ignores EINVAL, ENOTSUP and ENOENT. The first two simply > are not returned by open (2), but the last is but I chose to ignore it > to allow easy reuse in blockdev to avoid confusion when it is used > internally by the create functions. Please, just drop this from this series as it's completely unrelated to the screendump command. > > Signed-off-by: Alon Levy <al...@redhat.com> > --- > blockdev.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > > diff --git a/blockdev.c b/blockdev.c > index 1a500b8..544d067 100644 > --- a/blockdev.c > +++ b/blockdev.c > @@ -777,7 +777,7 @@ void qmp_transaction(BlockdevActionList *dev_list, Error > **errp) > states->old_bs->drv->format_name, > NULL, -1, flags); > if (ret) { > - error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file); > + error_set_file_open_failed(errp, new_image_file, -ret); > goto delete_and_fail; > } > } > @@ -787,7 +787,7 @@ void qmp_transaction(BlockdevActionList *dev_list, Error > **errp) > ret = bdrv_open(states->new_bs, new_image_file, > flags | BDRV_O_NO_BACKING, drv); > if (ret != 0) { > - error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file); > + error_set_file_open_failed(errp, new_image_file, -ret); > goto delete_and_fail; > } > } > @@ -881,8 +881,11 @@ static void qmp_bdrv_open_encrypted(BlockDriverState > *bs, const char *filename, > int bdrv_flags, BlockDriver *drv, > const char *password, Error **errp) > { > - if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) { > - error_set(errp, QERR_OPEN_FILE_FAILED, filename); > + int ret; > + > + ret = bdrv_open(bs, filename, bdrv_flags, drv); > + if (ret < 0) { > + error_set_file_open_failed(errp, filename, ret); > return; > } >