From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Date: Fri, 2 Aug 2013 04:49:19 +0000 (-0700)
Subject: serial/arc-uart: Handle Rx Error Interrupts w/o any data
X-Git-Tag: v3.12-rc1~182^2~91
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5284eba7b37dfeffe75bfdf81a13e9efebe0480a;p=pandora-kernel.git

serial/arc-uart: Handle Rx Error Interrupts w/o any data

Currently, Rx error handling only triggers if there is some Rx data.
Fix that by checking for error - before the data handling.

Reported-by: Mischa Jonker <mjonker@synopsys.com>
Tested-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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