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Commit 2afb41d9 authored by Jens Taprogge's avatar Jens Taprogge Committed by Greg Kroah-Hartman
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Staging: ipack/devices/ipoctal: Check tty_register_device return value. 



Signed-off-by: default avatarJens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: default avatarSamuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1adda497

drivers/staging/ipack/devices/ipoctal.c

+7 −1
Original line number Diff line number Diff line
@@ -437,6 +437,8 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, 
	ipoctal->tty_drv = tty;



	for (i = 0; i < NR_CHANNELS; i++) {

		struct device *tty_dev;



		channel = &ipoctal->channel[i];

		tty_port_init(&channel->tty_port);

		tty_port_alloc_xmit_buf(&channel->tty_port);
@@ -450,7 +452,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, 
		channel->pointer_read = 0;

		channel->pointer_write = 0;

		channel->nb_bytes = 0;

		tty_register_device(tty, i, NULL);

		tty_dev = tty_register_device(tty, i, NULL);

		if (IS_ERR(tty_dev)) {

			dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n");

			continue;

		}



		/*

		 * Enable again the RX. TX will be enabled when