From 21a8cb1e0614f2a7acc1a1888344b5a080aa369a Mon Sep 17 00:00:00 2001 From: Stefan Kost Date: Mon, 25 Jan 2010 17:23:43 +0200 Subject: [PATCH] v4l2src: don't deref NULL Error out when the pool gets shutdown. --- sys/v4l2/v4l2src_calls.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c index 73de302..c07748a 100644 --- a/sys/v4l2/v4l2src_calls.c +++ b/sys/v4l2/v4l2src_calls.c @@ -105,6 +105,8 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src, GstBuffer ** buf) v4l2object = v4l2src->v4l2object; pool = v4l2src->pool; + if (!pool) + goto no_buffer_pool; GST_DEBUG_OBJECT (v4l2src, "grab frame"); @@ -174,6 +176,11 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src, GstBuffer ** buf) return GST_FLOW_OK; /* ERRORS */ +no_buffer_pool: + { + GST_DEBUG ("no buffer pool"); + return GST_FLOW_WRONG_STATE; + } select_error: { GST_ELEMENT_ERROR (pool->v4l2elem, RESOURCE, READ, (NULL), -- 2.7.4