From: Christoph Hellwig <hch@xxxxxx> blk_revalidate_disk_zones is never called for non-zoned devices. Just return early and warn instead of trying to handle this case. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> --- block/blk-zoned.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/block/blk-zoned.c b/block/blk-zoned.c index dae787f67019..523a28d7a15c 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -520,6 +520,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk) sector_t sector = 0; int ret = 0; + if (WARN_ON_ONCE(!blk_queue_is_zoned(q))) + return -EIO; + /* * BIO based queues do not use a scheduler so only q->nr_zones * needs to be updated so that the sysfs exposed value is correct. @@ -535,10 +538,8 @@ int blk_revalidate_disk_zones(struct gendisk *disk) */ noio_flag = memalloc_noio_save(); - if (!blk_queue_is_zoned(q) || !nr_zones) { - nr_zones = 0; + if (!nr_zones) goto update; - } /* Allocate bitmaps */ ret = -ENOMEM; -- 2.23.0