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-rw-r--r--bpf_parser.y2
1 files changed, 1 insertions, 1 deletions
diff --git a/bpf_parser.y b/bpf_parser.y
index 8aed9dc..003c031 100644
--- a/bpf_parser.y
+++ b/bpf_parser.y
@@ -810,7 +810,7 @@ int compile_filter(char *file, int verbose, int bypass, int format,
free(labels_k[i]);
}
- if (yyin != stdin)
+ if (yyin && yyin != stdin)
fclose(yyin);
exit: