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(parent: 7a9a045) | patch
md: check for NULL ->meta_bdev before calling bdev_read_only
authorChristoph Hellwig <hch@lst.de>
Mon, 1 Feb 2021 13:17:20 +0000 (14:17 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 1 Feb 2021 16:35:20 +0000 (09:35 -0700)
commit52c8cc313efde2f717721aaefca2006151261249
treee4b2120d2e9bfd876081495d7611d51690657ae5tree | snapshot
parent7a9a04548906fb24303b46fff7d2bdadc889bd66commit | diff
md: check for NULL ->meta_bdev before calling bdev_read_only

->meta_bdev is optional and not set for most arrays.  Add a
rdev_read_only helper that calls bdev_read_only for both devices
in a safe way.

Fixes: 5b97dec42327 ("block: remove the NULL bdev check in bdev_read_only")
Reported-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/md.c diff | blob | history
Linux Kernel Source Tree.