From: Marek Olšák <marek.olsak@amd.com>
Date: Mon, 8 Apr 2019 18:24:48 +0000 (-0400)
Subject: radeonsi: fix a crash when unbinding sampler states
X-Git-Tag: upstream/19.3.0~7536
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4b63f57cbc40b2dbb5ae4c6a8656a52f974a7017;p=platform%2Fupstream%2Fmesa.git

radeonsi: fix a crash when unbinding sampler states

Acked-by: James Zhu <James.Zhu@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 244ba5a..ac40ed27 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -949,7 +949,7 @@ static void si_bind_sampler_states(struct pipe_context *ctx,
 	struct si_sampler_state **sstates = (struct si_sampler_state**)states;
 	int i;
 
-	if (!count || shader >= SI_NUM_SHADERS)
+	if (!count || shader >= SI_NUM_SHADERS || !sstates)
 		return;
 
 	for (i = 0; i < count; i++) {