2 files changed, 5 insertions, 1 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 5a4bfe33112a..46c4643b7a07 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1434,6 +1434,10 @@ static int cfi_amdstd_otp_walk(struct mtd_info *mtd, loff_t from, size_t len,
 
                                 mutex_lock(&chip->mutex);
                                 ret = get_chip(map, chip, base, FL_LOCKING);
+                                if (ret) {
+                                        mutex_unlock(&chip->mutex);
+                                        return ret;
+                                }
 
                                 /* Enter lock register command */
                                 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1,
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 3083c53e0270..c300db3ae285 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -949,7 +949,7 @@ static inline int jedec_feature(struct nand_chip *chip)
                 : 0;
 }
 
-/**
+/*
  * struct nand_sdr_timings - SDR NAND chip timings
  *
  * This struct defines the timing requirements of a SDR NAND chip.