Mesa (master): mesa: Fix off-by-one error in Parse_TextureImageId.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 61b62c007a7941e9b45e83440e932160a597e0e1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=61b62c007a7941e9b45e83440e932160a597e0e1

Author: Vinson Lee <vlee at freedesktop.org>
Date:   Fri Aug  3 23:51:34 2012 -0700

mesa: Fix off-by-one error in Parse_TextureImageId.

Fixes out-of-bounds write defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/mesa/program/nvfragparse.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/program/nvfragparse.c b/src/mesa/program/nvfragparse.c
index bcc553a..20c8579 100644
--- a/src/mesa/program/nvfragparse.c
+++ b/src/mesa/program/nvfragparse.c
@@ -582,7 +582,7 @@ Parse_TextureImageId(struct parse_state *parseState,
       RETURN_ERROR1("Expected TEX# source");
    }
    unit = atoi((const char *) imageSrc + 3);
-   if ((unit < 0 || unit > MAX_TEXTURE_IMAGE_UNITS) ||
+   if ((unit < 0 || unit >= MAX_TEXTURE_IMAGE_UNITS) ||
        (unit == 0 && (imageSrc[3] != '0' || imageSrc[4] != 0))) {
       RETURN_ERROR1("Invalied TEX# source index");
    }