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Fix for non-blocking serial write result code

From: Dan Jakubiec <djakubiec at yahoo dot com>
To: eCos Patches <ecos-patches at sources dot redhat dot com>
Date: Mon, 12 Jan 2004 07:12:48 -0800 (PST)
Subject: Fix for non-blocking serial write result code

Attached for your review is a fix for non-blocking serial writes. 
Currently, if the output stream on a non-blocking serial device cannot
accept any data, serial_write() will return ENOERR with 0 bytes
written.

The correct behavior is for serial_write() to return EAGAIN.  This bug
looks like a copy-paste error that was introduce in rev 1.18 of
serial.c.

Thanks,

--
Dan Jakubiec
Systech Corp

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Attachment: serial_write.pat
Description: serial_write.pat

Follow-Ups:
- Re: Fix for non-blocking serial write result code
  - From: Andrew Lunn

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