lkml.org 
[lkml]   [2020]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 1/3] mtd: rawnand: Fix wrongful fallthrough NAND_ECC_SOFT
Date
On Thu, 2020-09-17 at 07:52:11 UTC, Tudor Ambarus wrote:
> In case of valid HW ECC, where the fallback to SW ECC is not needed,
> the mentioned commit breaks the "switch (ecc->placement)" statement,
> but then wrongly falls through the "case NAND_ECC_SOFT" of the
> parent "switch (ecc->mode)". This causes an -EINVAL in
> nand_set_ecc_soft_ops(), because for the valid HW ECC cases
> ecc->mode is set to NAND_ECC_HW, but the nand_set_ecc_soft_ops()
> expects a NAND_ECC_SOFT mode, thus -EINVAL.
>
> Move the fallback to SW ECC after the setting of the ECC on host ops.
> With this, when a valid HW ECC is available, we break the
> "switch (ecc->mode)" statement, and when a fallback to SW ECC is
> needed, we fallthrough "case NAND_ECC_SOFT".
>
> Fixes: d3f8ec8e979b ("mtd: rawnand: Separate the ECC engine type and the ECC byte placement")
> Reported-by: Santiago Esteban <santiago.esteban@microchip.com>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel

\
 
 \ /
  Last update: 2020-09-28 17:00    [W:0.057 / U:0.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site