tree 488245e42b7e58d5e813cfd3de6f56c04c53c8a1
parent cb50e5235b8ae5aa0fe422eaaa8e444024c5bd98
author Vineet Gupta <Vineet.Gupta1@synopsys.com> 1375418959 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1375415652 +0800

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>