SRS: Set non-blocking flag without override

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 4 insertions, 1 deletions

diff --git a/srs.c b/srs.c
index 13f50a5..4859778 100644
--- a/srs.c
+++ b/srs.c
@@ -457,6 +457,7 @@ int srs_read_loop(struct ril_client *client)
 	struct sockaddr_un client_addr;
 	int client_addr_len;
 	pthread_attr_t attr;
+	int flags;
 	int fd;
 	int rc;
 
@@ -484,7 +485,9 @@ int srs_read_loop(struct ril_client *client)
 			break;
 		}
 
-		fcntl(fd, F_SETFL, O_NONBLOCK);
+		flags = fcntl(fd, F_GETFL);
+		flags |= O_NONBLOCK;
+		fcntl(fd, F_SETFL, flags);
 
 		LOGD("Accepted new SRS client from fd %d", fd);