From c644aabec8e1144ca5646dc7da2583dd82092119 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi@remlab.net>
Date: Wed, 19 Jul 2023 20:12:11 +0300
Subject: [PATCH] timer: don't leak perf FD if zero

---
 libavutil/timer.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/timer.h b/libavutil/timer.h
index 861ba7e9d7..2cd299eca3 100644
--- a/libavutil/timer.h
+++ b/libavutil/timer.h
@@ -105,9 +105,9 @@
 #if CONFIG_LINUX_PERF
 
 #define START_TIMER                                                         \
-    static int linux_perf_fd;                                               \
+    static int linux_perf_fd = -1;                                          \
     uint64_t tperf;                                                         \
-    if (!linux_perf_fd) {                                                   \
+    if (linux_perf_fd == -1) {                                              \
         struct perf_event_attr attr = {                                     \
             .type           = PERF_TYPE_HARDWARE,                           \
             .size           = sizeof(struct perf_event_attr),               \