Takahiro Kuwano c27cf85cd9 mtd: spi-nor: sfdp: Fix wrong erase type bitmask for overlaid region
commit abdf5a5ef9652bad4d58058bc22ddf23543ba3e1 upstream.

At the time spi_nor_region_check_overlay() is called, the erase types are
sorted in ascending order of erase size. The 'erase_type' should be masked
with 'BIT(erase[i].idx)' instead of 'BIT(i)'.

Fixes: b038e8e3be72 ("mtd: spi-nor: parse SFDP Sector Map Parameter Table")
Cc: stable@vger.kernel.org
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
[ta: Add Fixes tag and Cc to stable]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/fd90c40d5b626a1319a78fc2bcee79a8871d4d57.1601612872.git.Takahiro.Kuwano@infineon.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-04 11:38:37 +01:00
2020-10-17 11:18:18 -07:00
2021-02-26 10:14:35 +01:00

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.
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