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

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index ad052c8233c2..b281b116aaeb 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;