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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c4
1 files changed, 4 insertions, 0 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,