From 38f6d4c828f52888af78890530c558c1be25c213 Mon Sep 17 00:00:00 2001
From: ggatis <53811567+ggatis@users.noreply.github.com>
Date: Tue, 16 Jun 2020 13:55:50 +0300
Subject: [PATCH] Update hackrf_sweep.c

change if ( fd != NULL ) to if ( ( fd != NULL ) && ( fd != stdout ) )
before fclose( fd );
---
 host/hackrf-tools/src/hackrf_sweep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/host/hackrf-tools/src/hackrf_sweep.c b/host/hackrf-tools/src/hackrf_sweep.c
index 3d4fd043..4ef7f3c5 100644
--- a/host/hackrf-tools/src/hackrf_sweep.c
+++ b/host/hackrf-tools/src/hackrf_sweep.c
@@ -757,7 +757,7 @@ int main(int argc, char** argv) {
 		fprintf(stderr, "hackrf_exit() done\n");
 	}
 
-	if(fd != NULL) {
+	if ( ( fd != NULL ) && ( fd != stdout ) ) {
 		fclose(fd);
 		fd = NULL;
 		fprintf(stderr, "fclose(fd) done\n");