Cleanup: redundant NULL checks

Also use unsigned shifting for values not in int range.

4 files changed, 5 insertions, 10 deletions

diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index dac1ca95eff..776c9459acc 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -195,7 +195,7 @@ enum {
 	UI_BUT_TEXTEDIT_UPDATE = (1 << 29),  /* when widget is in textedit mode, update value on each char stroke */
 	UI_BUT_VALUE_CLEAR     = (1 << 30),  /* show 'x' icon to clear/unlink value of text or search button */
 
-	UI_BUT_OVERRIDEN       = (1 << 31),  /* RNA property of the button is overridden from linked reference data. */
+	UI_BUT_OVERRIDEN       = (1u << 31u),  /* RNA property of the button is overridden from linked reference data. */
 };
 
 #define UI_PANEL_WIDTH          340
diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 94b30f8e3b0..9e73fea12ce 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -1354,7 +1354,7 @@ static void region_rect_recursive(ScrArea *sa, ARegion *ar, rcti *remainder, rct
 	if (ar->winy > 1) ar->sizey = (ar->winy + 0.5f) /  UI_DPI_FAC;
 
 	/* exception for multiple overlapping regions on same spot */
-	if (ar->overlap & (alignment != RGN_ALIGN_FLOAT)) {
+	if (ar->overlap && (alignment != RGN_ALIGN_FLOAT)) {
 		region_overlap_fix(sa, ar);
 	}
 
diff --git a/source/blender/editors/space_view3d/view3d_gizmo_ruler.c b/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
index 96fbe1d48a6..83db61f9e5a 100644
--- a/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
+++ b/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
@@ -306,13 +306,13 @@ static bool view3d_ruler_item_mousemove(
         RulerInfo *ruler_info, RulerItem *ruler_item, const int mval[2],
         const bool do_thickness, const bool do_snap)
 {
-	RulerInteraction *inter = ruler_item->gz.interaction_data;
 	const float eps_bias = 0.0002f;
 	float dist_px = MVAL_MAX_PX_DIST * U.pixelsize;  /* snap dist */
 
 	ruler_info->snap_flag &= ~RULER_SNAP_OK;
 
 	if (ruler_item) {
+		RulerInteraction *inter = ruler_item->gz.interaction_data;
 		float *co = ruler_item->co[inter->co_index];
 		/* restore the initial depth */
 		copy_v3_v3(co, inter->drag_start_co);
diff --git a/source/blender/editors/transform/transform_snap_object.c b/source/blender/editors/transform/transform_snap_object.c
index 176e1852b01..5a54e4153cb 100644
--- a/source/blender/editors/transform/transform_snap_object.c
+++ b/source/blender/editors/transform/transform_snap_object.c
@@ -1253,10 +1253,7 @@ static short snap_mesh_polygon(
 			normalize_v3(r_no);
 		}
 
-		if (r_index) {
-			*r_index = nearest.index;
-		}
-
+		*r_index = nearest.index;
 		return elem;
 	}
 
@@ -1355,9 +1352,7 @@ static short snap_mesh_edge_verts_mixed(
 			normalize_v3(r_no);
 		}
 
-		if (r_index) {
-			*r_index = nearest.index;
-		}
+		*r_index = nearest.index;
 	}
 
 	return elem;