From: Michael Stapelberg <michael@stapelberg.de>
Date: Fri, 26 Mar 2010 00:52:08 +0000 (+0100)
Subject: randr: Don’t enable outputs with mode 0x0
X-Git-Tag: 3.e~6^2~26
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7bd4ea3699cb83740998bf4be6bc960d9cfdc909;p=i3%2Fi3

randr: Don’t enable outputs with mode 0x0

Just a sanity check for some possibly broken drivers.
---

diff --git a/src/randr.c b/src/randr.c
index 42dd8844..d46ffbc4 100644
--- a/src/randr.c
+++ b/src/randr.c
@@ -339,11 +339,16 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
                 return;
         }
 
-        new->active = true;
         bool updated = update_if_necessary(&(new->rect.x), crtc->x) |
                        update_if_necessary(&(new->rect.y), crtc->y) |
                        update_if_necessary(&(new->rect.width), crtc->width) |
                        update_if_necessary(&(new->rect.height), crtc->height);
+        free(crtc);
+        new->active = (new->rect.width != 0 && new->rect.height != 0);
+        if (!new->active) {
+                DLOG("width/height 0/0, disabling output\n");
+                return;
+        }
 
         DLOG("mode: %dx%d+%d+%d\n", new->rect.width, new->rect.height,
                                     new->rect.x, new->rect.y);