[Bf-blender-cvs] [12261aa047f] blender2.8: fix unitizialized use warning

[Mike Erwin]

Commit: 12261aa047f41eb7f0d29c3ba25d933c3f67e7fc
Author: Mike Erwin
Date:   Fri Apr 21 15:51:08 2017 -0400
Branches: blender2.8
https://developer.blender.org/rB12261aa047f41eb7f0d29c3ba25d933c3f67e7fc

fix unitizialized use warning

The code would only use 'type' uninitialized in error conditions, but it's still better to avoid that.

caught by clang

===================================================================

M	source/blender/draw/intern/draw_manager.c

===================================================================

diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index 1f0bf0cf79c..66e44edc63d 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -1319,6 +1319,7 @@ void DRW_framebuffer_read_data(int x, int y, int w, int h, int channels, int slo
 		case 4: type = GL_RGBA;	break;
 		default:
 			BLI_assert(false && "wrong number of read channels");
+			return;
 	}
 	glReadBuffer(GL_COLOR_ATTACHMENT0 + slot);
 	glReadPixels(x, y, w, h, type, GL_FLOAT, data);