Alexey Kardashevskiy writes:
> c9f5aaa6bce8 ("sev: Add Error ** to sev_kvm_init()") converted
> error_report() to error_setg(), however it missed one error_report()
> and other 2 changes added error_report() after conversion. The result
> is the caller - kvm_init() - crashes in error_report_err as local_err
> is NULL.
>
> Follow the pattern and use error_setg instead of error_report.
>
> Fixes: 9681f8677f26 ("sev/i386: Require in-kernel irqchip support for SEV-ES
> guests")
> Fixes: 6b98e96f1842 ("sev/i386: Add initial support for SEV-ES")
> Fixes: c9f5aaa6bce8 ("sev: Add Error ** to sev_kvm_init()")
> Signed-off-by: Alexey Kardashevskiy
> ---
> target/i386/sev.c | 11 +--
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/target/i386/sev.c b/target/i386/sev.c
> index 859e06f6ad..6b640b5c1f 100644
> --- a/target/i386/sev.c
> +++ b/target/i386/sev.c
> @@ -922,7 +922,7 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs, Error
> **errp)
>
> ret = ram_block_discard_disable(true);
> if (ret) {
> -error_report("%s: cannot disable RAM discard", __func__);
> +error_setg(errp, "%s: cannot disable RAM discard", __func__);
> return -1;
> }
>
> @@ -968,15 +968,14 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs, Error
> **errp)
>
> if (sev_es_enabled()) {
> if (!kvm_kernel_irqchip_allowed()) {
> -error_report("%s: SEV-ES guests require in-kernel irqchip
> support",
> - __func__);
> +error_setg(errp, "%s: SEV-ES guests require in-kernel irqchip
> support",
> + __func__);
> goto err;
> }
>
> if (!(status.flags & SEV_STATUS_FLAGS_CONFIG_ES)) {
> -error_report("%s: guest policy requires SEV-ES, but "
> - "host SEV-ES support unavailable",
> - __func__);
> +error_setg(errp, "%s: guest policy requires SEV-ES, but host
> SEV-ES support unavailable",
> + __func__);
> goto err;
> }
> cmd = KVM_SEV_ES_INIT;
Preexisting, but here goes anyway: __func__ in error messages is an
anti-pattern. Error messages are for the user, not the developer. The
developer can find the function just fine; grep exists.
