diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 8fef6dfee271..1257acc4522a 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -5287,7 +5287,7 @@ static int __ublk_ctrl_reg_buf(struct ublk_device *ub, unsigned long i; int ret; - for (i = 0; i < nr_pages; ) { + for (i = 0; i < nr_pages; i++) { unsigned long pfn = page_to_pfn(pages[i]); unsigned long start = i; struct ublk_buf_range *range; @@ -5296,7 +5296,6 @@ static int __ublk_ctrl_reg_buf(struct ublk_device *ub, while (i + 1 < nr_pages && page_to_pfn(pages[i + 1]) == pfn + (i - start) + 1) i++; - i++; /* past the last page in this run */ range = kzalloc(sizeof(*range), GFP_KERNEL); if (!range) { @@ -5308,7 +5307,7 @@ static int __ublk_ctrl_reg_buf(struct ublk_device *ub, range->base_offset = start << PAGE_SHIFT; ret = mtree_insert_range(&ub->buf_tree, pfn, - pfn + (i - start) - 1, + pfn + (i - start), range, GFP_KERNEL); if (ret) { kfree(range); |