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nvme: fix kernel paging oops
authorSagi Grimberg <sagi@grimberg.me>
Thu, 13 Dec 2018 20:34:07 +0000 (12:34 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Dec 2019 08:20:08 +0000 (09:20 +0100)
commit3331e61b23b1c7d1b62e1b882650992fc6f364b5
tree5987c49562a2094638618bc21bd57b586ae39d67
parent2f99d478ddbd8293e6fe499b5906c8c7cfa79141
nvme: fix kernel paging oops

[ Upstream commit 092ff0520070fad8407b196f3bb6156ce77a6f98 ]

free the controller discard_page correctly.

Fixes: cb5b7262b011 ("nvme: provide fallback for discard alloc failure")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/nvme/host/core.c