---
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), \
--
2.40.1
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