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Re: [PATCH] accel/kvm: ensure ret always set
From: |
Stefano Garzarella |
Subject: |
Re: [PATCH] accel/kvm: ensure ret always set |
Date: |
Thu, 3 Oct 2019 11:22:13 +0200 |
User-agent: |
NeoMutt/20180716 |
On Wed, Oct 02, 2019 at 01:08:40PM +0200, Paolo Bonzini wrote:
> On 02/10/19 12:22, Alex Bennée wrote:
> > Some of the cross compilers rightly complain there are cases where ret
> > may not be set. 0 seems to be the reasonable default unless particular
> > slot explicitly returns -1.
> >
Even Coverity reported it (CID 1405857).
> > Signed-off-by: Alex Bennée <address@hidden>
> > ---
> > accel/kvm/kvm-all.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
> > index aabe097c41..d2d96d73e8 100644
> > --- a/accel/kvm/kvm-all.c
> > +++ b/accel/kvm/kvm-all.c
> > @@ -712,11 +712,11 @@ static int kvm_physical_log_clear(KVMMemoryListener
> > *kml,
> > KVMState *s = kvm_state;
> > uint64_t start, size, offset, count;
> > KVMSlot *mem;
> > - int ret, i;
> > + int ret = 0, i;
> >
> > if (!s->manual_dirty_log_protect) {
> > /* No need to do explicit clear */
> > - return 0;
> > + return ret;
> > }
> >
> > start = section->offset_within_address_space;
> > @@ -724,7 +724,7 @@ static int kvm_physical_log_clear(KVMMemoryListener
> > *kml,
> >
> > if (!size) {
> > /* Nothing more we can do... */
> > - return 0;
> > + return ret;
> > }
> >
> > kvm_slots_lock(kml);
> >
>
> Queued, thanks.
>
> Paolo
>
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