Mesa (master): meta: Fix error paths in meta_copy_image.c

[Tapani Pälli]

Module: Mesa
Branch: master
Commit: b9463813eeffbe3b03fbf681d0283a40ce84619a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b9463813eeffbe3b03fbf681d0283a40ce84619a

Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date:   Mon Sep  8 13:59:50 2014 +0300

meta: Fix error paths in meta_copy_image.c

If _mesa_get_tex_image() return NULL there is already error
set in context. Other error pats free allocated texture.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/drivers/common/meta_copy_image.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mesa/drivers/common/meta_copy_image.c b/src/mesa/drivers/common/meta_copy_image.c
index 0c204b8..fc0cbaf 100644
--- a/src/mesa/drivers/common/meta_copy_image.c
+++ b/src/mesa/drivers/common/meta_copy_image.c
@@ -63,12 +63,21 @@ make_view(struct gl_context *ctx, struct gl_texture_image *tex_image,
    if (!ctx->Driver.TestProxyTexImage(ctx, tex_obj->Target, 0, tex_format,
                                       tex_image->Width, tex_image->Height,
                                       tex_image->Depth, 0)) {
+      _mesa_DeleteTextures(1, view_tex_name);
+      *view_tex_name = 0;
       return false;
    }
 
    view_tex_obj->Target = tex_obj->Target;
 
    *view_tex_image = _mesa_get_tex_image(ctx, view_tex_obj, tex_obj->Target, 0);
+
+   if (!*view_tex_image) {
+      _mesa_DeleteTextures(1, view_tex_name);
+      *view_tex_name = 0;
+      return false;
+   }
+
    _mesa_init_teximage_fields(ctx, *view_tex_image,
                               tex_image->Width, tex_image->Height,
                               tex_image->Depth,