From 5d20bad19d25bb25d9e831dd342c7c714d872b53 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Wed, 13 Aug 2014 23:35:24 -0700 Subject: [PATCH] mtd: cfi_cmdset_0002: check return code for get_chip() Coverity CID 1230633 Signed-off-by: Brian Norris Tested-by: Christian Riesch --- drivers/mtd/chips/cfi_cmdset_0002.c | 4 ++++ 1 file changed, 4 insertions(+) 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, -- 2.34.1