Re: [PATCH 1/2] Don't skip zero'ing end of volume file when inputvol is shorter than newvol

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On 07/19/2010 05:08 PM, Laine Stump wrote:
> A missing set of braces around an error condition caused us to skip
> zero'ing out the remainder of a new volume file if the new volume was
> longer than the original (the goto was supposed to be taken only in
> the case of error, but was always being taken).

Ouch.  Running a re-indenter would have spotted this, if we didn't have
too many other false-positive reindentations to sift through...

> ---
>  src/storage/storage_backend.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
> index c185693..1eb8e33 100644
> --- a/src/storage/storage_backend.c
> +++ b/src/storage/storage_backend.c
> @@ -288,9 +288,10 @@ static int createRawFileOpHook(int fd, void *data) {
>      if (hdata->inputvol) {
>          int res = virStorageBackendCopyToFD(hdata->vol, hdata->inputvol,
>                                              fd, &remain, 1);
> -        if (res < 0)
> +        if (res < 0) {
>              ret = -res;
>              goto cleanup;
> +        }

ACK.

-- 
Eric Blake   eblake@xxxxxxxxxx    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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