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(parent: 0698bdf) | patch
spi : spi-topcliff-pch: Fix to handle empty DMA buffers
authorAditya Pakki <pakki001@umn.edu>
Wed, 13 Mar 2019 16:55:41 +0000 (11:55 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 31 May 2019 13:45:20 +0000 (06:45 -0700)
commitaa46e6c24eb0fecdf6599c858e4c26a6df8b6732
tree9698c7cc4d0f2f3fe6ea0114983d4410237d04a4tree | snapshot
parent0698bdff44d4909ab20094c2f9a1b3ae4e9eb852commit | diff
spi : spi-topcliff-pch: Fix to handle empty DMA buffers

[ Upstream commit f37d8e67f39e6d3eaf4cc5471e8a3d21209843c6 ]

pch_alloc_dma_buf allocated tx, rx DMA buffers which can fail. Further,
these buffers are used without a check. The patch checks for these
failures and sends the error upstream.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/spi/spi-topcliff-pch.c diff | blob | history
wrapfs-5.0.y