From: Dave Airlie <airlied@redhat.com>
Date: Thu, 3 Sep 2015 22:02:14 +0000 (+1000)
Subject: r600: fix loop overrun in cayman_mul_double_instr
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5fa5a012b163bad80d01a65e2947510f15e1be6b;p=mesa.git

r600: fix loop overrun in cayman_mul_double_instr

Coverity warned about this. Ilia pointed it out.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 9043668a532..78904da13c3 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -3194,7 +3194,7 @@ static int cayman_mul_double_instr(struct r600_shader_ctx *ctx)
 	int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
 	int t1 = ctx->temp_reg;
 
-	for (k = 0; k <= 2; k++) {
+	for (k = 0; k < 2; k++) {
 		if (!(inst->Dst[0].Register.WriteMask & (0x3 << (k * 2))))
 			continue;