Messages in this thread Patch in this message | | | From | Arto Merilainen <> | Subject | [PATCH 3/6] gpu: host1x: Fix memory access in syncpt request | Date | Fri, 17 May 2013 14:49:45 +0300 |
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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; name = kasprintf(GFP_KERNEL, "%02d-%s", sp->id, -- 1.7.9.5
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