Messages in this thread | | | Date | Sun, 26 May 2013 12:15:52 +0200 | From | Thierry Reding <> | Subject | Re: [PATCH 3/6] gpu: host1x: Fix memory access in syncpt request |
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On Fri, May 17, 2013 at 02:49:45PM +0300, Arto Merilainen wrote: > This patch fixes a bad memory access in syncpoint request code. If > no syncpoints were available, the code accessed unreserved memory > area causing unexpected behaviour. > > Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> > --- > drivers/gpu/host1x/syncpt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c > index 5bf5366..6b7ee88 100644 > --- a/drivers/gpu/host1x/syncpt.c > +++ b/drivers/gpu/host1x/syncpt.c > @@ -40,7 +40,7 @@ static struct host1x_syncpt *_host1x_syncpt_alloc(struct host1x *host, > > for (i = 0; i < host->info->nb_pts && sp->name; i++, sp++) > ; > - if (sp->dev) > + if (i >= host->info->nb_pts) > return NULL;
While changing this, can you please add a blank line between the loop and the new 'if (...)'?
Thierry [unhandled content-type:application/pgp-signature] | |