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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
| commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
| tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /drivers/usb/serial/cp210x.c | |
| parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) | |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'drivers/usb/serial/cp210x.c')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 54a4de0ef..f61477bed 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -1077,7 +1077,9 @@ static int cp210x_tiocmget(struct tty_struct *tty) u8 control; int result; - cp210x_read_u8_reg(port, CP210X_GET_MDMSTS, &control); + result = cp210x_read_u8_reg(port, CP210X_GET_MDMSTS, &control); + if (result) + return result; result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0) |((control & CONTROL_RTS) ? TIOCM_RTS : 0) |