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authorBrian Norris <computersforpeace@gmail.com>2014-08-13 23:35:24 -0700
committerBrian Norris <computersforpeace@gmail.com>2014-08-15 18:09:00 -0700
commit5d20bad19d25bb25d9e831dd342c7c714d872b53 (patch)
treea39850d642aac82a4aaad2b1fefb098d3e681b6f /drivers/mtd
parent2a500afe1e0e84c7a126df693dbd01353756dcfa (diff)
downloadlinux-5d20bad19d25bb25d9e831dd342c7c714d872b53.tar.bz2
mtd: cfi_cmdset_0002: check return code for get_chip()
Coverity CID 1230633 Signed-off-by: Brian Norris <computersforpeace@gmail.com> Tested-by: Christian Riesch <christian.riesch@omicron.at>
Diffstat (limited to 'drivers/mtd')
-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,