Commit 3c74d45d authored May 12, 2020 by Álvaro Fernández Rojas Committed by Greg Kroah-Hartman Jun 22, 2020

mtd: rawnand: brcmnand: fix hamming oob layout



commit 130bbde4809b011faf64f99dddc14b4b01f440c3 upstream.

First 2 bytes are used in large-page nand.

Fixes: ef5eeea6 ("mtd: nand: brcm: switch to mtd_ooblayout_ops")
Cc: stable@vger.kernel.org
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200512075733.745374-2-noltari@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 8f2c1ab1

drivers/mtd/nand/raw/brcmnand/brcmnand.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -911,13 +911,16 @@ static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section,
		if (!section) {
		/*
		* Small-page NAND use byte 6 for BBI while large-page
		* NAND use byte 0.
		* NAND use bytes 0 and 1.
		*/
		if (cfg->page_size > 512)
		oobregion->offset++;
		if (cfg->page_size > 512) {
		oobregion->offset += 2;
		oobregion->length -= 2;
		} else {
		oobregion->length--;
		}
		}
		}

		return 0;
		}