From patchwork Sun Jun 10 10:58:12 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: mtd: nand: Use the mirror BBT descriptor when reading its version Date: Sun, 10 Jun 2012 00:58:12 -0000 From: Shmulik Ladkani X-Patchwork-Id: 163982 Message-Id: <20120610135812.01dce4e7@pixies.home.jungo.com> To: linux-mtd@lists.infradead.org Cc: Sebastian Andrzej Siewior , David Woodhouse , dedekind1@gmail.com The code responsible for reading the version of the mirror bbt was incorrectly using the descriptor of the main bbt. Pass the mirror bbt descriptor to 'scan_read_raw' when reading the version of the mirror bbt. Signed-off-by: Shmulik Ladkani Acked-by: Sebastian Andrzej Siewior --- - Spotted while reviewing BBT code. - Introduced by 7cba7b1 [mtd: nand: add support for BBT without OOB]. - Looks like a typo. - Not runtime tested. - Sebastian, care to take a look and Ack? diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index 30d1319..c126469 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -390,7 +390,7 @@ static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf, /* Read the mirror version, if available */ if (md && (md->options & NAND_BBT_VERSION)) { scan_read_raw(mtd, buf, (loff_t)md->pages[0] << this->page_shift, - mtd->writesize, td); + mtd->writesize, md); md->version[0] = buf[bbt_get_ver_offs(mtd, md)]; pr_info("Bad block table at page %d, version 0x%02X\n", md->pages[0], md->version[0]);