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(parent: 2a8049c) | patch
block: grab a device refcount in disk_uevent
authorChristoph Hellwig <hch@lst.de>
Thu, 1 Jul 2021 08:16:37 +0000 (10:16 +0200)
committerJens Axboe <axboe@kernel.dk>
Thu, 1 Jul 2021 16:21:24 +0000 (10:21 -0600)
commite8a1de964034e5a8c53f6b94dde926fce5494d32
treefac09e7780f90adc89db1d48fa7140a37e11af70tree | snapshot
parent2a8049c42e2a01865bd7dec6b3c4f3251f0b5ef5commit | diff
block: grab a device refcount in disk_uevent

Sending uevents requires the struct device to be alive.  To
ensure that grab the device refcount instead of just an inode
reference.

Fixes: 25f35ca95d3c ("block: add a disk_uevent helper")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210701081638.246552-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/genhd.c diff | blob | history
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