cadence_uart: check for serial backend before using it.
commitaf52fe862fba686713044efdf9158195f84535ab
authorKONRAD Frederic <fred.konrad@greensocs.com>
Tue, 15 Jul 2014 15:18:44 +0000 (15 17:18 +0200)
committerPeter Maydell <peter.maydell@linaro.org>
Thu, 17 Jul 2014 15:36:17 +0000 (17 16:36 +0100)
tree683924d463faf75ca4a31f2bfb4e7df259386a4d
parent231f6927c813d2e4f49e5aeb20ebd236b391bce8
cadence_uart: check for serial backend before using it.

This checks that s->chr is not NULL before using it.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw/char/cadence_uart.c