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unixfd: Close file descriptors on error

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After calling g_unix_fd_list_steal_fds() and before calling
gst_fd_allocator_alloc(), we are responsible for closing those fds.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6532>
This commit is contained in:
Xavier Claessens 2024-04-15 09:51:53 -04:00 committed by GStreamer Marge Bot
parent 1f8accbc8d
commit f0ef33d018
1 changed files with 12 additions and 2 deletions
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14
subprojects/gst-plugins-bad/gst/unixfd/gstunixfdsrc.c
View file

@ -298,6 +298,14 @@ from_monotonic (GstClockTime timestamp, GstClockTime base_time,
return timestamp; return timestamp;
} }
static void
close_and_free_fds (gint * fds, gint fds_len)
{
for (int i = 0; i < fds_len; i++)
g_close (fds[i], NULL);
g_free (fds);
}
static GstFlowReturn static GstFlowReturn
gst_unix_fd_src_create (GstPushSrc * psrc, GstBuffer ** outbuf) gst_unix_fd_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
{ {
@ -346,14 +354,14 @@ again:
"Received new buffer command with %d file descriptors instead of " "Received new buffer command with %d file descriptors instead of "
"%d", fds_arr_len, new_buffer->n_memory); "%d", fds_arr_len, new_buffer->n_memory);
ret = GST_FLOW_ERROR; ret = GST_FLOW_ERROR;
g_free (fds_arr); close_and_free_fds (fds_arr, fds_arr_len);
goto on_error; goto on_error;
} }
if (new_buffer->type >= MEMORY_TYPE_LAST) { if (new_buffer->type >= MEMORY_TYPE_LAST) {
GST_ERROR_OBJECT (self, "Unknown buffer type %d", new_buffer->type); GST_ERROR_OBJECT (self, "Unknown buffer type %d", new_buffer->type);
ret = GST_FLOW_ERROR; ret = GST_FLOW_ERROR;
g_free (fds_arr); close_and_free_fds (fds_arr, fds_arr_len);
goto on_error; goto on_error;
} }
GstAllocator *allocator = self->allocators[new_buffer->type]; GstAllocator *allocator = self->allocators[new_buffer->type];
@ -384,6 +392,8 @@ again:
if (consumed == 0) { if (consumed == 0) {
GST_ERROR_OBJECT (self, "Malformed meta serialization"); GST_ERROR_OBJECT (self, "Malformed meta serialization");
ret = GST_FLOW_ERROR; ret = GST_FLOW_ERROR;
close_and_free_fds (fds_arr, fds_arr_len);
gst_clear_buffer (outbuf);
goto on_error; goto on_error;
} }
payload_off += consumed; payload_off += consumed;