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authorBrian Norris <computersforpeace@gmail.com>2011-09-07 13:13:28 -0700
committerArtem Bityutskiy <artem.bityutskiy@intel.com>2011-09-11 16:48:47 +0300
commit105513cc4a25522f959788371bd612f987d4d184 (patch)
treeb106fc56e195d5c883f11c329cf7ffb59e1d83eb /drivers/mtd/nand
parent3e2b82b9073e8bf0b4f359fa3045e81d9fe87f7d (diff)
downloadlinux-105513cc4a25522f959788371bd612f987d4d184.tar.gz
mtd: nand: refactor scanning code
A few pieces of code are unnecessarily duplicated. For easier
maintenance, we should fix this.

This should have no functional effect.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/nand_bbt.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index c488bcb84c90..cbf9b695c6f2 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -306,28 +306,16 @@ static int scan_read_raw_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
 	ops.ooboffs = 0;
 	ops.ooblen = mtd->oobsize;
 
-
 	while (len > 0) {
-		if (len <= mtd->writesize) {
-			ops.oobbuf = buf + len;
-			ops.datbuf = buf;
-			ops.len = len;
-			res = mtd->read_oob(mtd, offs, &ops);
-
-			/* Ignore ECC errors when checking for BBM */
-			if (res != -EUCLEAN && res != -EBADMSG)
-				return res;
-			return 0;
-		} else {
-			ops.oobbuf = buf + mtd->writesize;
-			ops.datbuf = buf;
-			ops.len = mtd->writesize;
-			res = mtd->read_oob(mtd, offs, &ops);
+		ops.datbuf = buf;
+		ops.len = min(len, (size_t)mtd->writesize);
+		ops.oobbuf = buf + ops.len;
 
-			/* Ignore ECC errors when checking for BBM */
-			if (res && res != -EUCLEAN && res != -EBADMSG)
-				return res;
-		}
+		res = mtd->read_oob(mtd, offs, &ops);
+
+		/* Ignore ECC errors when checking for BBM */
+		if (res && res != -EUCLEAN && res != -EBADMSG)
+			return res;
 
 		buf += mtd->oobsize + mtd->writesize;
 		len -= mtd->writesize;