From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sekhar Nori Subject: Re: [PATCH 2/3] serial: 8250_omap: check how many bytes were injected Date: Wed, 26 Aug 2015 15:08:01 +0530 Message-ID: <55DD88F9.6010003@ti.com> References: <1439568064-7907-1-git-send-email-bigeasy@linutronix.de> <1439568064-7907-2-git-send-email-bigeasy@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1439568064-7907-2-git-send-email-bigeasy@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org To: Sebastian Andrzej Siewior , peter@hurleysoftware.com Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-serial@vger.kernel.org, john.ogness@linutronix.de, Greg Kroah-Hartman List-Id: linux-omap@vger.kernel.org On Friday 14 August 2015 09:31 PM, Sebastian Andrzej Siewior wrote: > The function tty_insert_flip_string() returns an int and as such it > might fail. So the result is that I kindly asked to insert 48 bytes and > the function only insterted 32. > I have no idea what to do with the remaining 16 so I think dropping them > is the only option. I also increase the buf_overrun counter so userpace > has a clue that we lost bytes. > > Cc: Greg Kroah-Hartman > Signed-off-by: Sebastian Andrzej Siewior Tested with wilink BT module on TI's DRA7 EVM. Tested-by: Sekhar Nori Thanks, Sekhar