Otherwise one wraps uint to UINT_MAX via -1.

Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
 src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c 
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 6135fda1be..b9a00caad2 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -707,6 +707,8 @@ make_surface(struct brw_context *brw, GLenum target, 
mesa_format format,
       return NULL;
    }
 
+   mt->refcount = 1;
+
    if (target == GL_TEXTURE_CUBE_MAP ||
        target == GL_TEXTURE_CUBE_MAP_ARRAY)
       isl_usage_flags |= ISL_SURF_USAGE_CUBE_BIT;
@@ -751,7 +753,6 @@ make_surface(struct brw_context *brw, GLenum target, 
mesa_format format,
    mt->last_level = last_level;
    mt->target = target;
    mt->format = format;
-   mt->refcount = 1;
    mt->aux_state = NULL;
 
    return mt;
-- 
2.11.0

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