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(parent: 975ab88) | patch
libata: fix using DMA buffers on stack
authorraymond pang <raymondpangxd@gmail.com>
Thu, 28 Mar 2019 12:19:25 +0000 (12:19 +0000)
committerJens Axboe <axboe@kernel.dk>
Thu, 28 Mar 2019 14:16:04 +0000 (08:16 -0600)
commit3ff6ab11b4a44a566b002a66403f91684fe0b5f6
tree502637a64f680e7d726b554e131646f7edb497edtree | snapshot
parent975ab88905b15ab0139c182bc5e24a66ab8dbdcacommit | diff
libata: fix using DMA buffers on stack

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>
drivers/ata/libata-zpodd.c diff | blob | history
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