From: Eric Anholt <eric@anholt.net>
Date: Thu, 9 Apr 2015 20:43:55 +0000 (-0700)
Subject: vc4: Fix off-by-one in branch target validation.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d04b07f8e2eb61bb389f2d6b8ed0a501952466ee;p=mesa.git

vc4: Fix off-by-one in branch target validation.
---

diff --git a/src/gallium/drivers/vc4/kernel/vc4_validate.c b/src/gallium/drivers/vc4/kernel/vc4_validate.c
index 6b735879975..aeac29e036f 100644
--- a/src/gallium/drivers/vc4/kernel/vc4_validate.c
+++ b/src/gallium/drivers/vc4/kernel/vc4_validate.c
@@ -287,7 +287,7 @@ validate_branch_to_sublist(VALIDATE_ARGS)
 
 	offset = *(uint32_t *)(untrusted + 0);
 	if (offset % exec->tile_alloc_init_block_size ||
-	    offset / exec->tile_alloc_init_block_size >
+	    offset / exec->tile_alloc_init_block_size >=
 	    exec->bin_tiles_x * exec->bin_tiles_y) {
 		DRM_ERROR("VC4_PACKET_BRANCH_TO_SUB_LIST must jump to initial "
 			  "tile allocation space.\n");