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(parent: fd38f6b) | patch
nvme: fix a crash in nvme_mpath_add_disk
authorChristoph Hellwig <hch@lst.de>
Mon, 29 Jun 2020 14:30:19 +0000 (16:30 +0200)
committerChristoph Hellwig <hch@lst.de>
Thu, 2 Jul 2020 08:38:00 +0000 (10:38 +0200)
commit4030e316ee4ab3e9095bcb7be07b368df3dbc4cc
tree660206577b8bb36b3b85ad4eb3d9c5133e010bb9tree | snapshot
parentfd38f6bc1fd877928fdf63969c687e7f6bcfe7cdcommit | diff
nvme: fix a crash in nvme_mpath_add_disk

For private namespaces ns->head_disk is NULL, so add a NULL check
before updating the BDI capabilities.

Fixes: 2b711a965292 ("nvme-multipath: set bdi capabilities once")
Reported-by: Avinash M N <Avinash.M.N@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
drivers/nvme/host/multipath.c diff | blob | history
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