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(parent: 4767c30) | patch
libata: fix using DMA buffers on stack
authorraymond pang <raymondpangxd@gmail.com>
Thu, 28 Mar 2019 12:19:25 +0000 (12:19 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 16 May 2019 17:44:59 +0000 (19:44 +0200)
commit8c2bbe210936f22ea5796d97431f61de439cd7ce
treeb03dafe2c86965fe2b097b73b4597c037f481e29tree | snapshot
parent4767c30a2bac5705539f6751aece7bd78ebb8bffcommit | diff
libata: fix using DMA buffers on stack

[ Upstream commit dd08a8d9a66de4b54575c294a92630299f7e0fe7 ]

When CONFIG_VMAP_STACK=y, __pa() returns incorrect physical address for
a stack virtual address. Stack DMA buffers must be avoided.

Signed-off-by: raymond pang <raymondpangxd@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
drivers/ata/libata-zpodd.c diff | blob | history
wrapfs-5.3.y