tree 91a285cafe9df4664602d2b17680297d839c4216
parent bfecfd6e23bf677c85828eb20fa4b13a18bffe23
author YueHaibing <yuehaibing@huawei.com> 1548244822 +0800
committer Mark Brown <broonie@kernel.org> 1548258337 +0000
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spi/topcliff_pch: Fix potential NULL dereference on allocation error

In pch_spi_handle_dma, it doesn't check for NULL returns of kcalloc
so it would result in an Oops.

Fixes: c37f3c2749b5 ("spi/topcliff_pch: DMA support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>