gpu: host1x: Fix potential out-of-bounds access



The check for valid syncpoint IDs is off by one. While at it, rewrite
the check to make it more easily understandable.

Signed-off-by: Thierry Reding <treding@nvidia.com>

parent 05d2f3ea

drivers/gpu/host1x/syncpt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -484,7 +484,7 @@ unsigned int host1x_syncpt_nb_mlocks(struct host1x *host)

		struct host1x_syncpt host1x_syncpt_get(struct host1x host, unsigned int id)
		{
		if (host->info->nb_pts < id)
		if (id >= host->info->nb_pts)
		return NULL;

		return host->syncpt + id;