Re: [Xen-devel] [PULL 10/11] Add Error **errp for xen_pt_config_init()

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 21/01/2016 18:01, Stefano Stabellini wrote:
> -                        XEN_PT_LOG(&s->dev, "Failed to initialize %d/%ld reg 
> 0x%x in grp_type=0x%x (%d/%ld), rc=%d\n",
> -                                   j, 
> ARRAY_SIZE(xen_pt_emu_reg_grps[i].emu_regs),
> -                                   regs->offset, 
> xen_pt_emu_reg_grps[i].grp_type,
> -                                   i, ARRAY_SIZE(xen_pt_emu_reg_grps), rc);
> +                    xen_pt_config_reg_init(s, reg_grp_entry, regs, &err);
> +                    if (err) {
> +                        error_append_hint(&err, "Failed to initialize %d/%zu"
> +                                " reg 0x%x in grp_type = 0x%x (%d/%zu)",
> +                                j, 
> ARRAY_SIZE(xen_pt_emu_reg_grps[i].emu_regs),

Coverity noticed a preexisting problem here.  emu_regs is a pointer,
thus ARRAY_SIZE doesn't return what you expect.

Paolo

> +                                regs->offset, 
> xen_pt_emu_reg_grps[i].grp_type,
> +                                i, ARRAY_SIZE(xen_pt_emu_reg_grps));
> +                        error_propagate(errp, err);

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