[PATCH 6/8] mtd: nand_bbt: refactor check_pattern_no_oob()

[Brian Norris <computersforpeace@gmail.com>]

This function only returns 0 or -1, so make that clear.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
 drivers/mtd/nand/nand_bbt.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 35e8cdf..ca07230 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -71,12 +71,9 @@
 
 static int check_pattern_no_oob(uint8_t *buf, struct nand_bbt_descr *td)
 {
-	int ret;
-
-	ret = memcmp(buf, td->pattern, td->len);
-	if (!ret)
-		return ret;
-	return -1;
+	if (memcmp(buf, td->pattern, td->len))
+		return -1;
+	return 0;
 }
 
 /**
-- 
1.7.10