Mesa (8.0): state_stracker: Fix access to uninitialized memory.

[Ian Romanick]

Module: Mesa
Branch: 8.0
Commit: 6e09d3cff2e850b8fef44c4f7bd7397c78376f1d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6e09d3cff2e850b8fef44c4f7bd7397c78376f1d

Author: Mathias Fröhlich <Mathias.Froehlich at gmx.net>
Date:   Sat Jan 28 18:55:08 2012 +0100

state_stracker: Fix access to uninitialized memory.

Fix an access to uninitialized memory pointed out by valgrind in
glsl_to_tgsi_visitor::simplify_cmp(void).

Note: This is a candidate for the 8.0 branch.
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich at web.de>
(cherry picked from commit 1d01429c6a1ae679d0cc0cb61db1948fca5ced4c)

---

 src/mesa/state_tracker/st_glsl_to_tgsi.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 26047cf..ec8b1d1 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -2978,7 +2978,7 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
    if (!tempWrites) {
       return;
    }
-   memset(tempWrites, 0, sizeof(tempWrites));
+   memset(tempWrites, 0, sizeof(unsigned) * MAX_TEMPS);
    memset(outputWrites, 0, sizeof(outputWrites));
 
    foreach_iter(exec_list_iterator, iter, this->instructions) {