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-rw-r--r--drivers/nvdimm/core.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c
index 7cd99b1f8596..75bc08c6838c 100644
--- a/drivers/nvdimm/core.c
+++ b/drivers/nvdimm/core.c
@@ -421,14 +421,15 @@ static void set_badblock(struct badblocks *bb, sector_t s, int num)
static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len)
{
const unsigned int sector_size = 512;
- sector_t start_sector;
+ sector_t start_sector, end_sector;
u64 num_sectors;
u32 rem;
start_sector = div_u64(ns_offset, sector_size);
- num_sectors = div_u64_rem(len, sector_size, &rem);
+ end_sector = div_u64_rem(ns_offset + len, sector_size, &rem);
if (rem)
- num_sectors++;
+ end_sector++;
+ num_sectors = end_sector - start_sector;
if (unlikely(num_sectors > (u64)INT_MAX)) {
u64 remaining = num_sectors;