spi: dw: Avoid BUG_ON() in case of host failure

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If dws is NULL in dw_spi_host_add(), we return the error to the
upper callers instead of crashing. The patch replaces BUG_ON by
returning -EINVAL to the caller.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Link: https://lore.kernel.org/r/20191205231421.9333-1-pakki001@umn.edu
Signed-off-by: Mark Brown <broonie@kernel.org>

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Aditya Pakki 2019-12-05 17:14:21 -06:00 • committed by Mark Brown

parent 4a07b8bcd5

commit 169f9acae0

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drivers/spi/spi-dw.c

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