Commit edeabfcb authored May 29, 2013 by Arto Merilainen Committed by Thierry Reding Jun 22, 2013

gpu: host1x: Fix memory access in syncpt request



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>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

parent 3364cd28

drivers/gpu/host1x/syncpt.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -40,7 +40,8 @@ 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,