mtd: nand_bbt: handle error case for nand_create_badblock_pattern()

Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 6cbf8768a0a4..7f0c3b4c2a4f 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -1282,6 +1282,7 @@ static int nand_create_badblock_pattern(struct nand_chip *this)
 int nand_default_bbt(struct mtd_info *mtd)
 {
         struct nand_chip *this = mtd->priv;
+        int ret;
 
         /* Is a flash based bad block table requested? */
         if (this->bbt_options & NAND_BBT_USE_FLASH) {
@@ -1300,8 +1301,11 @@ int nand_default_bbt(struct mtd_info *mtd)
                 this->bbt_md = NULL;
         }
 
-        if (!this->badblock_pattern)
-                nand_create_badblock_pattern(this);
+        if (!this->badblock_pattern) {
+                ret = nand_create_badblock_pattern(this);
+                if (ret)
+                        return ret;
+        }
 
         return nand_scan_bbt(mtd, this->badblock_pattern);
 }