From: Corbin <corbinat@gmail.com>
Date: Wed, 23 May 2012 14:37:31 +0000 (-0500)
Subject: serial_core: Update buffer overrun statistics.
X-Git-Tag: v3.6-rc1~71^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24a7d449b066bdba8b8b2486dc481f02043e0656;p=pandora-kernel.git

serial_core: Update buffer overrun statistics.

Currently, serial drivers don't report buffer overruns. When a buffer overrun
occurs, tty_insert_flip_char returns 0, and no attempt is made to insert that
same character again (i.e. it is lost). This patch reports buffer overruns via
the buf_overrun field in the port's icount structure.

Signed-off-by: Corbin Atkinson <corbin.atkinson@xxxxxx>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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