X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-context-perf-counters.c;h=2f7132fbf26bf8db8aa9897fbfcee73cbc97e143;hb=44252f0fd51fd4bf28926dcef525355bceb08c5f;hp=5327e6ef06956707a914d15c3d56e9924291d06b;hpb=96ba7208aa8009345a525148e32f78cd8d4693ab;p=lttng-modules.git

diff --git a/lttng-context-perf-counters.c b/lttng-context-perf-counters.c
index 5327e6ef..2f7132fb 100644
--- a/lttng-context-perf-counters.c
+++ b/lttng-context-perf-counters.c
@@ -170,6 +170,10 @@ int lttng_add_perf_counter_to_ctx(uint32_t type,
 		ret = -ENOMEM;
 		goto append_context_error;
 	}
+	if (lttng_find_context(*ctx, name_alloc))  {
+		ret = -EEXIST;
+		goto find_error;
+	}
 
 #ifdef CONFIG_HOTPLUG_CPU
 	field->u.perf_counter.nb.notifier_call =
@@ -217,6 +221,7 @@ counter_error:
 #ifdef CONFIG_HOTPLUG_CPU
 	unregister_cpu_notifier(&field->u.perf_counter.nb);
 #endif
+find_error:
 	lttng_remove_context_field(ctx, field);
 append_context_error:
 	kfree(name_alloc);