nvme-core: fix dev_pm_qos memleak
Call dev_pm_qos_hide_latency_tolerance() in the error unwind patch to
avoid following kmemleak:-
blktests (master) # kmemleak-clear; ./check nvme/044;
blktests (master) # kmemleak-scan ; kmemleak-show
nvme/044 (Test bi-directional authentication) [passed]
runtime 2.111s ... 2.124s
unreferenced object 0xffff888110c46240 (size 96):
comm "nvme", pid 33461, jiffies
4345365353 (age 75.586s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<
0000000069ac2cec>] kmalloc_trace+0x25/0x90
[<
000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100
[<
00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core]
[<
000000007df61b4b>] 0xffffffffc05e88b3
[<
00000000d152b985>] 0xffffffffc05744cb
[<
00000000f04a4041>] vfs_write+0xc5/0x3c0
[<
00000000f9491baf>] ksys_write+0x5f/0xe0
[<
000000001c46513d>] do_syscall_64+0x3b/0x90
[<
00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
Link: https://lore.kernel.org/linux-nvme/CAHj4cs-nDaKzMx2txO4dbE+Mz9ePwLtU0e3egz+StmzOUgWUrA@mail.gmail.com/
Fixes:
f50fff73d620 ("nvme: implement In-Band authentication")
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>