From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 15 Apr 2021 13:39:30 +0000 (-0400)
Subject: Fix: perf counters: uninitialized field
X-Git-Tag: v2.13.0-rc1~15
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=2836dd4ff6274876a8709fcc1637e78bbc059cdf;p=lttng-modules.git

Fix: perf counters: uninitialized field

Reported by Coverity:
** CID 1452572:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "ctx_field". Field "ctx_field.get_size_arg" is uninitialized when calling "lttng_kernel_context_append".

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I064260c6fe78af24768bb141fde2864d2abbe3a5
---

diff --git a/src/lttng-context-perf-counters.c b/src/lttng-context-perf-counters.c
index 75be9bf9..e637bb75 100644
--- a/src/lttng-context-perf-counters.c
+++ b/src/lttng-context-perf-counters.c
@@ -223,7 +223,7 @@ int lttng_add_perf_counter_to_ctx(uint32_t type,
 				  const char *name,
 				  struct lttng_kernel_ctx **ctx)
 {
-	struct lttng_kernel_ctx_field ctx_field;
+	struct lttng_kernel_ctx_field ctx_field = { 0 };
 	struct lttng_kernel_event_field *event_field;
 	struct lttng_perf_counter_field *perf_field;
 	struct perf_event **events;