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-rw-r--r--runtime/staprun/common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/runtime/staprun/common.c b/runtime/staprun/common.c
index f8fc418c..b716d27f 100644
--- a/runtime/staprun/common.c
+++ b/runtime/staprun/common.c
@@ -31,7 +31,7 @@ char *modname = NULL;
char *modpath = "";
char *modoptions[MAXMODOPTIONS];
-int control_channel = 0;
+int control_channel = -1; /* NB: fd==0 possible */
void parse_args(int argc, char **argv)
{