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Fix: incorrect close of fd 0 for syscall kernel event destroy
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
trace-kernel.c
diff --git
a/src/bin/lttng-sessiond/trace-kernel.c
b/src/bin/lttng-sessiond/trace-kernel.c
index 36f7c9708a8f47e0fa33d9ce579a33c0bf607e08..68753286fb81c336e5026eb0eb64411ebbd5a81f 100644
(file)
--- a/
src/bin/lttng-sessiond/trace-kernel.c
+++ b/
src/bin/lttng-sessiond/trace-kernel.c
@@
-321,9
+321,13
@@
void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream)
*/
void trace_kernel_destroy_event(struct ltt_kernel_event *event)
{
*/
void trace_kernel_destroy_event(struct ltt_kernel_event *event)
{
- DBG("[trace] Closing event fd %d", event->fd);
- /* Close kernel fd */
- close(event->fd);
+ if (event->fd >= 0) {
+ DBG("[trace] Closing event fd %d", event->fd);
+ /* Close kernel fd */
+ close(event->fd);
+ } else {
+ DBG("[trace] Tearing down event (no associated fd)");
+ }
/* Remove from event list */
cds_list_del(&event->list);
/* Remove from event list */
cds_list_del(&event->list);
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