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-rw-r--r--block/blk-settings.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 8d33934..1c4df9b 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -445,7 +445,7 @@ EXPORT_SYMBOL(blk_queue_stack_limits);
/**
* blk_stack_limits - adjust queue_limits for stacked devices
* @t: the stacking driver limits (top)
- * @bdev: the underlying queue limits (bottom)
+ * @b: the underlying queue limits (bottom)
* @offset: offset to beginning of data within component device
*
* Description:
@@ -458,6 +458,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
{
t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors);
t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors);
+ t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn);
t->seg_boundary_mask = min_not_zero(t->seg_boundary_mask,
b->seg_boundary_mask);
@@ -504,7 +505,7 @@ EXPORT_SYMBOL(blk_stack_limits);
/**
* disk_stack_limits - adjust queue limits for stacked drivers
- * @t: MD/DM gendisk (top)
+ * @disk: MD/DM gendisk (top)
* @bdev: the underlying block device (bottom)
* @offset: offset to beginning of data within component device
*
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