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libnvdimm fixes for v5.19-rc5

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- Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver
   where accounting for poison blocks to be cleared was off by one,
   causing a failure to clear the the last badblock in an nvdimm region.
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Merge tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fix from Vishal Verma:

 - Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver
   where accounting for poison blocks to be cleared was off by one,
   causing a failure to clear the the last badblock in an nvdimm region.

* tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm: Fix badblocks clear off-by-one error
This commit is contained in:
Linus Torvalds 2022-07-01 16:58:19 -07:00
commit 0898660614
1 changed files with 2 additions and 2 deletions
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4
drivers/nvdimm/bus.c
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@ -176,8 +176,8 @@ static int nvdimm_clear_badblocks_region(struct device *dev, void *data)
ndr_end = nd_region->ndr_start + nd_region->ndr_size - 1;
/* make sure we are in the region */
if (ctx->phys < nd_region->ndr_start
|| (ctx->phys + ctx->cleared) > ndr_end)
if (ctx->phys < nd_region->ndr_start ||
(ctx->phys + ctx->cleared - 1) > ndr_end)
return 0;
sector = (ctx->phys - nd_region->ndr_start) / 512;