timer: don't leak perf FD if zero

2 years ago · c644aabec8
parent ffa3edbf51
commit c644aabec8
1 changed files with 2 additions and 2 deletions
--- 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),               \