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authorSascha Hauer <s.hauer@pengutronix.de>2015-08-27 16:01:11 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2015-08-28 08:00:30 +0200
commit3e361f37643bfaea1b1bc06ab9767b2755deec21 (patch)
tree8bb1773c0c5a8559fb7ebb8938e6004a318fda77
parent40596b856f61c281fb34f804bf42550c099f26c3 (diff)
downloadbarebox-3e361f37643bfaea1b1bc06ab9767b2755deec21.tar.gz
login: check return value of digest_alloc
digest_alloc can fail, check the return value. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--common/password.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/common/password.c b/common/password.c
index 0cb79b8..43c5e0c 100644
--- a/common/password.c
+++ b/common/password.c
@@ -288,6 +288,10 @@ static int check_passwd(unsigned char *passwd, size_t length)
hash_len = PBKDF2_LENGTH;
} else {
d = digest_alloc(PASSWD_SUM);
+ if (!d) {
+ pr_err("No such digest: %s\n", PASSWD_SUM);
+ return -ENOENT;
+ }
hash_len = digest_length(d);
}