On 2/14/19 8:31 AM, Michal Privoznik wrote:
> My change in 112f3a8d0f32 was too drastic. The @charAlias
> variable is initialized only if @monitor == true. However, it is
> used even outside of that condition, at which point it's just
> uninitialized pointer.
>
> Reported-by: John Ferlan <[email protected]>
> Signed-off-by: Michal Privoznik <[email protected]>
> ---
> src/qemu/qemu_hotplug.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
Reviewed-by: John Ferlan <[email protected]>
John
> diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
> index a5c352f44b..78c9a77f2d 100644
> --- a/src/qemu/qemu_hotplug.c
> +++ b/src/qemu/qemu_hotplug.c
> @@ -4754,13 +4754,12 @@ qemuDomainRemoveChrDevice(virQEMUDriverPtr driver,
> VIR_DEBUG("Removing character device %s from domain %p %s",
> chr->info.alias, vm, vm->def->name);
>
> + if (!(charAlias = qemuAliasChardevFromDevAlias(chr->info.alias)))
> + goto cleanup;
> +
> if (monitor) {
> - if (!(charAlias = qemuAliasChardevFromDevAlias(chr->info.alias)))
> - goto cleanup;
> -
> qemuDomainObjEnterMonitor(driver, vm);
> rc = qemuMonitorDetachCharDev(priv->mon, charAlias);
> -
Unrelated, but IDC.
> if (qemuDomainObjExitMonitor(driver, vm) < 0)
> goto cleanup;
> }
>
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