commit 28acb21321c27161841ea789112f10cb8d8eb9c8
author Pau Espin Pedrol <pespin@sysmocom.de> Fri Nov 13 22:58:02 2020 +0100
committer Pau Espin Pedrol <pespin@sysmocom.de> Fri Nov 13 22:58:02 2020 +0100
tree 2ca65d0d7a2926fd4e34d275b4979942e51c43d9
parent 71ba873cc1278aae527bf303aa8f16560203c58a

serial: Log error if tcgetattr() or tcsetattr() fail

Change-Id: I79121e016f045c9d0555881359cd3008320223ed

src/serial.c

diff --git a/src/serial.c b/src/serial.c
index 1c41fe0..72d3594 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -91,8 +91,10 @@
 		goto error;
 	}
 
-	cfsetispeed(&tio, baudrate);
-	cfsetospeed(&tio, baudrate);
+	if (cfsetispeed(&tio, baudrate) < 0)
+		dbg_perror("cfsetispeed()");
+	if (cfsetospeed(&tio, baudrate) < 0)
+		dbg_perror("cfsetospeed()");
 
 	tio.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS);
 	tio.c_cflag |=  (CREAD | CLOCAL | CS8);
@@ -136,8 +138,11 @@
 		dbg_perror("tcgetattr()");
 		return -errno;
 	}
-	cfsetispeed(&tio, baudrate);
-	cfsetospeed(&tio, baudrate);
+
+	if (cfsetispeed(&tio, baudrate) < 0)
+		dbg_perror("cfsetispeed()");
+	if (cfsetospeed(&tio, baudrate) < 0)
+		dbg_perror("cfsetospeed()");
 
 	rc = tcsetattr(fd, TCSANOW, &tio);
 	if (rc < 0) {