spi: mvebu: fix error handling for transfer problems
When a message transfer fails no further messages are transferred, but
the error value was not propagated to the caller.

Fixes: 5db1a578d6ed ("spi: add Marvell MVEBU SoC SPI driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent fed8acd commit ef66d906a611f99dbbf79d45ab077f788d713b64
@Uwe Kleine-König Uwe Kleine-König authored on 5 Dec 2016
Sascha Hauer committed on 10 Jan 2017
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drivers/spi/mvebu_spi.c