[MTD] [OneNAND] Use pre-alloced oob buffer instead of local buffer

[Linux-MTD Mailing List]

Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=69d79186dc48ca22a0ce69511bef8ef6c2465ada
Commit:     69d79186dc48ca22a0ce69511bef8ef6c2465ada
Parent:     978cb38a296fceac82a8a757f6387d7ef2a21ac6
Author:     Kyungmin Park <kyungmin.park at samsung.com>
AuthorDate: Fri Dec 14 14:47:21 2007 +0900
Committer:  Kyungmin Park <kyungmin.park at samsung.com>
CommitDate: Tue Jan 29 17:14:01 2008 +0900

    [MTD] [OneNAND] Use pre-alloced oob buffer instead of local buffer
    
    Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/mtd/onenand/onenand_base.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index ad052c8..b281b11 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1217,7 +1217,7 @@ int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
 static int onenand_verify_oob(struct mtd_info *mtd, const u_char *buf, loff_t to)
 {
 	struct onenand_chip *this = mtd->priv;
-	u_char oobbuf[64];
+	u_char *oob_buf = this->oob_buf;
 	int status, i;
 
 	this->command(mtd, ONENAND_CMD_READOOB, to, mtd->oobsize);
@@ -1226,9 +1226,9 @@ static int onenand_verify_oob(struct mtd_info *mtd, const u_char *buf, loff_t to
 	if (status)
 		return status;
 
-	this->read_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize);
+	this->read_bufferram(mtd, ONENAND_SPARERAM, oob_buf, 0, mtd->oobsize);
 	for (i = 0; i < mtd->oobsize; i++)
-		if (buf[i] != 0xFF && buf[i] != oobbuf[i])
+		if (buf[i] != 0xFF && buf[i] != oob_buf[i])
 			return -EBADMSG;
 
 	return 0;
@@ -2307,7 +2307,8 @@ static int onenand_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
 static int onenand_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
 			size_t len)
 {
-	unsigned char oob_buf[64];
+	struct onenand_chip *this = mtd->priv;
+	u_char *oob_buf = this->oob_buf;
 	size_t retlen;
 	int ret;