This is a note to let you know that I've just added the patch titled libnvdimm: fix the clear-error check in nsio_rw_bytes to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: libnvdimm-fix-the-clear-error-check-in-nsio_rw_bytes.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 7e5a21dfe5524a85705d3bc7b540c849cc13e9a1 Mon Sep 17 00:00:00 2001 From: Vishal Verma <vishal.l.verma@xxxxxxxxx> Date: Fri, 30 Jun 2017 18:32:52 -0600 Subject: libnvdimm: fix the clear-error check in nsio_rw_bytes From: Vishal Verma <vishal.l.verma@xxxxxxxxx> commit 7e5a21dfe5524a85705d3bc7b540c849cc13e9a1 upstream. A leftover from the 'bandaid' fix that disabled BTT error clearing in rw_bytes resulted in an incorrect check. After we converted these checks over to use the NVDIMM_IO_ATOMIC flag, the ndns->claim check was both redundant, and incorrect. Remove it. Fixes: 3ae3d67ba705 ("libnvdimm: add an atomic vs process context flag to rw_bytes") Cc: Dave Jiang <dave.jiang@xxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Vishal Verma <vishal.l.verma@xxxxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/nvdimm/claim.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/nvdimm/claim.c +++ b/drivers/nvdimm/claim.c @@ -260,8 +260,7 @@ static int nsio_rw_bytes(struct nd_names * work around this collision. */ if (IS_ALIGNED(offset, 512) && IS_ALIGNED(size, 512) - && !(flags & NVDIMM_IO_ATOMIC) - && !ndns->claim) { + && !(flags & NVDIMM_IO_ATOMIC)) { long cleared; cleared = nvdimm_clear_poison(&ndns->dev, Patches currently in stable-queue which might be from vishal.l.verma@xxxxxxxxx are queue-4.12/libnvdimm-btt-fix-btt_rw_page-not-returning-errors.patch queue-4.12/libnvdimm-fix-the-clear-error-check-in-nsio_rw_bytes.patch queue-4.12/libnvdimm-fix-badblock-range-handling-of-ars-range.patch