]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
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)
commit72d447113bb751ded97b2e2c38f886e4a4139082
tree660206577b8bb36b3b85ad4eb3d9c5133e010bb9
parentea43d9709f727e728e933a8157a7a7ca1a868281
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: b2ce4d90690b ("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