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Fix: Don't save an empty <contexts> node in kernel channels
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
save.c
diff --git
a/src/bin/lttng-sessiond/save.c
b/src/bin/lttng-sessiond/save.c
index d268f33190698d6f9bd920a5bbdbab140a377d70..908e5f8fd2924d67223ffbdcbf8a04dfc158a502 100644
(file)
--- a/
src/bin/lttng-sessiond/save.c
+++ b/
src/bin/lttng-sessiond/save.c
@@
-801,6
+801,11
@@
int save_kernel_contexts(struct config_writer *writer,
int ret;
struct ltt_kernel_context *ctx;
+ if (cds_list_empty(&kchan->ctx_list)) {
+ ret = 0;
+ goto end;
+ }
+
ret = config_writer_open_element(writer, config_element_contexts);
if (ret) {
ret = LTTNG_ERR_SAVE_IO_FAIL;
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