---

yaml --- r: 242068 b: refs/heads/master c: 29e3fbd h: refs/heads/master v: v3
git-mirror · Mar 22, 2011 · bdb6c60 · bdb6c60
1 parent 3dfab4c
commit bdb6c60
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bd08a0cd5f546916a9454ae2c35756ed77957458
+refs/heads/master: 29e3fbd8edb31549fa8302c185bd0b915a43d8b8
diff --git a/trunk/drivers/media/video/videobuf2-core.c b/trunk/drivers/media/video/videobuf2-core.c
@@ -488,7 +488,7 @@ int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req)
 		return -EINVAL;
 	}
 
-	if (req->count == 0 || q->num_buffers != 0) {
+	if (req->count == 0 || q->num_buffers != 0 || q->memory != req->memory) {
 		/*
 		 * We already have buffers allocated, so first check if they
 		 * are not in use and can be freed.
@@ -501,6 +501,13 @@ int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req)
 		ret = __vb2_queue_free(q);
 		if (ret != 0)
 			return ret;
+
+		/*
+		 * In case of REQBUFS(0) return immediately without calling
+		 * driver's queue_setup() callback and allocating resources.
+		 */
+		if (req->count == 0)
+			return 0;
 	}
 
 	/*