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mtd: spi-nor: core: Add erase size check for erase command initializa…
…tion commit 58fa22f upstream. Even if erase type is same as previous region, erase size can be different if the previous region is overlaid region. Since 'region->size' is assigned to 'cmd->size' for overlaid region, comparing 'erase->size' and 'cmd->size' can detect previous overlaid region. Fixes: 5390a8d ("mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories") 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/13d47e8d8991b8a7fd8cc7b9e2a5319c56df35cc.1601612872.git.Takahiro.Kuwano@infineon.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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