Fix a few harmless maybe uninitialized warnings with GCC 5.4.

GCC seems to detect uninitialized into function calls now, but then isn't
always smart enough to see that it is actually initialized. Disabling this
warning entirely seems a bit too much, so initialize a bit more now.

3 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index b43581170d0..162658f01bb 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -4754,6 +4754,9 @@ static void *do_projectpaint_thread(void *ph_v)
 							copy_v3_v3(texrgb, texrgba);
 							mask *= texrgba[3];
 						}
+						else {
+							zero_v3(texrgb);
+						}
 
 						/* extra mask for normal, layer stencil, .. */
 						mask *= ((float)projPixel->mask) * (1.0f / 65535.0f);
diff --git a/source/blender/editors/sculpt_paint/paint_utils.c b/source/blender/editors/sculpt_paint/paint_utils.c
index 31c471c3517..10628d8cccb 100644
--- a/source/blender/editors/sculpt_paint/paint_utils.c
+++ b/source/blender/editors/sculpt_paint/paint_utils.c
@@ -426,7 +426,7 @@ void paint_sample_color(bContext *C, ARegion *ar, int x, int y, bool texpaint_pr
 	Scene *scene = CTX_data_scene(C);
 	Paint *paint = BKE_paint_get_active_from_context(C);
 	Palette *palette = BKE_paint_palette(paint);
-	PaletteColor *color;
+	PaletteColor *color = NULL;
 	Brush *br = BKE_paint_brush(BKE_paint_get_active_from_context(C));
 	unsigned int col;
 	const unsigned char *cp;
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index a0d67626940..3c64d1ebb71 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -1169,6 +1169,7 @@ static int image_sequence_get_len(ListBase *frames, int *ofs)
 		}
 		return frame_curr - (*ofs);
 	}
+	*ofs = 0;
 	return 0;
 }