Message ID | 20201221100013.2715675-1-sean@geanix.com |
---|---|
State | Accepted |
Headers | show |
Series | mtd: rawnand: gpmi: fix dst bit offset when extracting raw payload | expand |
On Mon, 2020-12-21 at 10:00:13 UTC, Sean Nyekjaer wrote: > Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset > when extracting the data payload in gpmi_ecc_read_page_raw(). > > Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") > Cc: stable@vger.kernel.org > Reported-by: Martin Hundebøll <martin@geanix.com> > Signed-off-by: Sean Nyekjaer <sean@geanix.com> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel
On 04/01/2021 11.35, Miquel Raynal wrote: > On Mon, 2020-12-21 at 10:00:13 UTC, Sean Nyekjaer wrote: >> Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset >> when extracting the data payload in gpmi_ecc_read_page_raw(). >> >> Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") >> Cc: stable@vger.kernel.org >> Reported-by: Martin Hundebøll <martin@geanix.com> >> Signed-off-by: Sean Nyekjaer <sean@geanix.com> > Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. > > Miquel Hi Miquel Will you please queue this for fixes? It's quite relevant for 5.10 LTS :) Best regards Sean Nyekjaer
Hi Sean, Sean Nyekjaer <sean@geanix.com> wrote on Mon, 4 Jan 2021 11:50:10 +0100: > On 04/01/2021 11.35, Miquel Raynal wrote: > > On Mon, 2020-12-21 at 10:00:13 UTC, Sean Nyekjaer wrote: > >> Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset > >> when extracting the data payload in gpmi_ecc_read_page_raw(). > >> > >> Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") > >> Cc: stable@vger.kernel.org > >> Reported-by: Martin Hundebøll <martin@geanix.com> > >> Signed-off-by: Sean Nyekjaer <sean@geanix.com> > > Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. > > > > Miquel > Hi Miquel > > Will you please queue this for fixes? It's quite relevant for 5.10 LTS :) Right, that will be quicker to have it in Linus' tree. I moved the patch to the mtd/next branch. Cheers, Miquèl
On 04/01/2021 12.15, Miquel Raynal wrote: > Hi Sean, > > Sean Nyekjaer <sean@geanix.com> wrote on Mon, 4 Jan 2021 11:50:10 +0100: > >> On 04/01/2021 11.35, Miquel Raynal wrote: >>> On Mon, 2020-12-21 at 10:00:13 UTC, Sean Nyekjaer wrote: >>>> Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset >>>> when extracting the data payload in gpmi_ecc_read_page_raw(). >>>> >>>> Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") >>>> Cc: stable@vger.kernel.org >>>> Reported-by: Martin Hundebøll <martin@geanix.com> >>>> Signed-off-by: Sean Nyekjaer <sean@geanix.com> >>> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. >>> >>> Miquel >> Hi Miquel >> >> Will you please queue this for fixes? It's quite relevant for 5.10 LTS :) > Right, that will be quicker to have it in Linus' tree. I moved > the patch to the mtd/next branch. > Hi Miquel, Any guess to when the mtd/fixes branch will be pulled into Linus' tree? /Sean
Hi Sean, Sean Nyekjaer <sean@geanix.com> wrote on Mon, 18 Jan 2021 12:07:01 +0100: > On 04/01/2021 12.15, Miquel Raynal wrote: > > Hi Sean, > > > > Sean Nyekjaer <sean@geanix.com> wrote on Mon, 4 Jan 2021 11:50:10 +0100: > > > >> On 04/01/2021 11.35, Miquel Raynal wrote: > >>> On Mon, 2020-12-21 at 10:00:13 UTC, Sean Nyekjaer wrote: > >>>> Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset > >>>> when extracting the data payload in gpmi_ecc_read_page_raw(). > >>>> > >>>> Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") > >>>> Cc: stable@vger.kernel.org > >>>> Reported-by: Martin Hundebøll <martin@geanix.com> > >>>> Signed-off-by: Sean Nyekjaer <sean@geanix.com> > >>> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. > >>> > >>> Miquel > >> Hi Miquel > >> > >> Will you please queue this for fixes? It's quite relevant for 5.10 LTS :) > > Right, that will be quicker to have it in Linus' tree. I moved > > the patch to the mtd/next branch. > > > Hi Miquel, > > Any guess to when the mtd/fixes branch will be pulled into Linus' tree? > > /Sean It should be in linux-next already, I hope to collect an other important fix this week before requesting a merge of the mtd/fixes branch for the next -rc. Thanks, Miquèl
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index dc8104e67506..f0726e69a312 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -1611,7 +1611,7 @@ static int gpmi_ecc_read_page_raw(struct nand_chip *chip, uint8_t *buf, /* Extract interleaved payload data and ECC bits */ for (step = 0; step < nfc_geo->ecc_chunk_count; step++) { if (buf) - nand_extract_bits(buf, step * eccsize, tmp_buf, + nand_extract_bits(buf, step * eccsize * 8, tmp_buf, src_bit_off, eccsize * 8); src_bit_off += eccsize * 8;
Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset when extracting the data payload in gpmi_ecc_read_page_raw(). Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()") Cc: stable@vger.kernel.org Reported-by: Martin Hundebøll <martin@geanix.com> Signed-off-by: Sean Nyekjaer <sean@geanix.com> --- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)