[FFmpeg-cvslog] timer: don't leak perf FD if zero

[Rémi Denis-Courmont]

ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Wed Jul 19 20:12:11 2023 +0300| [c644aabec8e1144ca5646dc7da2583dd82092119] | committer: Rémi Denis-Courmont

timer: don't leak perf FD if zero

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c644aabec8e1144ca5646dc7da2583dd82092119
---

 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),               \