On Wed, Apr 22, 2020 at 05:07:01PM +0200, Peter Krempa wrote:
On Wed, Apr 22, 2020 at 15:15:31 +0200, Pavel Mores wrote:
> This is to fix
>
>
https://bugzilla.redhat.com/show_bug.cgi?id=1791522
>
> With this change, if a domain comes across a corrupted save file during
> boot it removes the save file and logs a warning but continues to boot
> normally instead of failing to boot (with a subsequent boot attempt
> succeeding).
>
> The regression was introduced by 21ad56e932 and this change effectively
> reverts the relevant part of that commit.
> ---
> src/qemu/qemu_driver.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index e8d47a41cd..2579ef3984 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -6810,13 +6810,14 @@ qemuDomainSaveImageOpen(virQEMUDriverPtr driver,
> *ret_def = def;
> *ret_data = data;
>
> + cleanup:
> return fd;
>
> error:
> virDomainDefFree(def);
> virQEMUSaveDataFree(data);
> VIR_FORCE_CLOSE(fd);
> - return -1;
> + goto cleanup;
As pointed out previously this doesn't really help to make it more
obvious that 'fd' is abused to cary the other return codes here as well.
I prefer the following fix:
https://www.redhat.com/archives/libvir-list/2020-April/msg01101.html
Cool, that's incidentally *precisely* the same patch I'd come up with
initially, before I dug in git history this morning and decided to be
conservative and restore Jiří's original fix instead. :-)
pvl