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-rw-r--r--src/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/socket.c b/src/socket.c
index ebc77e3..88578bf 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -297,7 +297,7 @@ int socket_check_fd(int fd, fd_mode fdm, unsigned int timeout)
struct timeval to;
struct timeval *pto;
- if (fd <= 0) {
+ if (fd < 0) {
if (verbose >= 2)
fprintf(stderr, "ERROR: invalid fd in check_fd %d\n", fd);
return -1;