Messages in this thread | | | Date | Mon, 27 May 2013 09:56:30 +0300 | From | Arto Merilainen <> | Subject | Re: [PATCH 3/6] gpu: host1x: Fix memory access in syncpt request |
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On 05/26/2013 01:15 PM, Thierry Reding wrote: > * PGP Signed by an unknown key > > 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 (...)'? >
Yep. Will do.
- Arto
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