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(parent: 51d1fd9) | 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 13:43:55 +0000 (06:43 -0700)
commited5025fcfa0becb46a33fa47e0cc6f6349ac6522
tree17327f58bf2e97059b864b07889537299a21c4catree | snapshot
parent51d1fd946444dfa718ba70dbaf788c161f27fdedcommit | 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 | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git