gstreamer: Fix leak of GstQuery and GstBufferPool in error path

The gst_libcamera_create_video_pool() function leaks a GstQuery instance
and a GstBufferPool instance in an error path. Fix the leaks with
g_autoptr().

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2025-05-22 11:47:29 +02:00
parent f7c4fcd301
commit 772b06bd8c

View file

@ -30,6 +30,7 @@
#include <atomic>
#include <queue>
#include <tuple>
#include <utility>
#include <vector>
#include <libcamera/camera.h>
@ -540,9 +541,9 @@ static std::tuple<GstBufferPool *, int>
gst_libcamera_create_video_pool(GstLibcameraSrc *self, GstPad *srcpad,
GstCaps *caps, const GstVideoInfo *info)
{
GstQuery *query = NULL;
g_autoptr(GstQuery) query = NULL;
g_autoptr(GstBufferPool) pool = NULL;
const gboolean need_pool = true;
GstBufferPool *pool = NULL;
/*
* Get the peer allocation hints to check if it supports the meta API.
@ -586,8 +587,7 @@ gst_libcamera_create_video_pool(GstLibcameraSrc *self, GstPad *srcpad,
return { NULL, -EINVAL };
}
gst_query_unref(query);
return { pool, 0 };
return { std::exchange(pool, nullptr), 0 };
}
/* Must be called with stream_lock held. */