gallium: silence warnings

2 files changed, 3 insertions, 3 deletions

diff --git a/src/mesa/state_tracker/st_cb_feedback.c b/src/mesa/state_tracker/st_cb_feedback.c
index ea775b9452d..43543df1a88 100644
--- a/src/mesa/state_tracker/st_cb_feedback.c
+++ b/src/mesa/state_tracker/st_cb_feedback.c
@@ -103,13 +103,13 @@ feedback_vertex(GLcontext *ctx, const struct draw_context *draw,
     */
 
    slot = st->vertex_result_to_slot[VERT_RESULT_COL0];
-   if (slot != ~0)
+   if (slot != ~0U)
       color = v->data[slot];
    else
       color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
 
    slot = st->vertex_result_to_slot[VERT_RESULT_TEX0];
-   if (slot != ~0)
+   if (slot != ~0U)
       texcoord = v->data[slot];
    else
       texcoord = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
diff --git a/src/mesa/state_tracker/st_cb_rasterpos.c b/src/mesa/state_tracker/st_cb_rasterpos.c
index 852cff64901..f1c2d2d7c37 100644
--- a/src/mesa/state_tracker/st_cb_rasterpos.c
+++ b/src/mesa/state_tracker/st_cb_rasterpos.c
@@ -117,7 +117,7 @@ update_attrib(GLcontext *ctx, const GLuint *outputMapping,
 {
    const GLfloat *src;
    const GLuint k = outputMapping[result];
-   if (k != ~0)
+   if (k != ~0U)
       src = vert->data[k];
    else
       src = ctx->Current.Attrib[defaultAttrib];