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authorRoel Kluin <[email protected]>2010-01-06 08:27:42 -0800
committerBrian Paul <[email protected]>2010-01-06 09:47:37 -0700
commit324568f79d6e014900c981bd9a0e1dffedc326c8 (patch)
tree04c0dc711d64d575fb9adc02107803bec5c2257f /src/mesa/shader/prog_optimize.c
parent5db710a8231fe50d2faad8e9adb2a07616cc6130 (diff)
mesa: test index bounds before array element
Check whether the index is within bounds before accessing the array. Signed-off-by: Roel Kluin <[email protected]> Signed-off-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/shader/prog_optimize.c')
-rw-r--r--src/mesa/shader/prog_optimize.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c
index 4fe351251e8..8b9466a5a61 100644
--- a/src/mesa/shader/prog_optimize.c
+++ b/src/mesa/shader/prog_optimize.c
@@ -578,7 +578,7 @@ _mesa_remove_extra_moves(struct gl_program *prog)
/* get pointer to previous instruction */
prevI = i - 1;
- while (removeInst[prevI] && prevI > 0)
+ while (prevI > 0 && removeInst[prevI])
prevI--;
prevInst = prog->Instructions + prevI;