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-rw-r--r--block/blk-settings.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 15319b217b..4bd7cbab4c 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -104,6 +104,7 @@ static int blk_validate_zoned_limits(struct queue_limits *lim)
static int blk_validate_limits(struct queue_limits *lim)
{
unsigned int max_hw_sectors;
+ unsigned int logical_block_sectors;
/*
* Unless otherwise specified, default to 512 byte logical blocks and a
@@ -134,8 +135,11 @@ static int blk_validate_limits(struct queue_limits *lim)
lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS;
if (WARN_ON_ONCE(lim->max_hw_sectors < PAGE_SECTORS))
return -EINVAL;
+ logical_block_sectors = lim->logical_block_size >> SECTOR_SHIFT;
+ if (WARN_ON_ONCE(logical_block_sectors > lim->max_hw_sectors))
+ return -EINVAL;
lim->max_hw_sectors = round_down(lim->max_hw_sectors,
- lim->logical_block_size >> SECTOR_SHIFT);
+ logical_block_sectors);
/*
* The actual max_sectors value is a complex beast and also takes the
@@ -153,7 +157,7 @@ static int blk_validate_limits(struct queue_limits *lim)
lim->max_sectors = min(max_hw_sectors, BLK_DEF_MAX_SECTORS_CAP);
}
lim->max_sectors = round_down(lim->max_sectors,
- lim->logical_block_size >> SECTOR_SHIFT);
+ logical_block_sectors);
/*
* Random default for the maximum number of segments. Driver should not