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(parent: 98eb1b8) | 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 13:46:33 +0000 (06:46 -0700)
commitbdc095631d50f9b61ce4e933d118a6e6654c11c9
tree3eaf9ab97d0a70691ed8f7518efaeea2c13913f8tree | snapshot
parent98eb1b80fea767f0d70a30c0b0987fd000a3d480commit | 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
Domain: System / Kernel; Licenses: GPL-2.0;