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commit36415a7964upstream. The brcmnand driver contains a bug in which if a page (example 2k byte) is read from the parallel/ONFI NAND and within that page a subpage (512 byte) has correctable errors which is followed by a subpage with uncorrectable errors, the page read will return the wrong status of correctable (as opposed to the actual status of uncorrectable.) The bug is in function brcmnand_read_by_pio where there is a check for uncorrectable bits which will be preempted if a previous status for correctable bits is detected. The fix is to stop checking for bad bits only if we already have a bad bits status. Fixes:27c5b17cd1("mtd: nand: add NAND driver "library" for Broadcom STB NAND controller") Signed-off-by: david regan <dregan@mail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/trinity-478e0c09-9134-40e8-8f8c-31c371225eda-1643237024774@3c-app-mailcom-lxa02 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.