From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 2 May 2010 11:23:09 +0000 (+0200)
Subject: qv4l2: fix oops if the device has no user controls.
X-Git-Tag: v4l-utils-0.8.0~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fc735aba0bde2a56660c1330c4f893fab0e12646;p=platform%2Fupstream%2Fv4l-utils.git

qv4l2: fix oops if the device has no user controls.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
---

diff --git a/utils/qv4l2/ctrl-tab.cpp b/utils/qv4l2/ctrl-tab.cpp
index 831edc8..7503a65 100644
--- a/utils/qv4l2/ctrl-tab.cpp
+++ b/utils/qv4l2/ctrl-tab.cpp
@@ -102,6 +102,8 @@ void ApplicationWindow::addTabs()
 	}
 
 	for (ClassMap::iterator iter = m_classMap.begin(); iter != m_classMap.end(); ++iter) {
+		if (iter->second.size() == 0)
+			continue;
 		ctrl_class = V4L2_CTRL_ID2CLASS(iter->second[0]);
 		id = ctrl_class | 1;
 		m_col = m_row = 0;