digest_alloc can fail, check the return value.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
common/password.c | 4 ++++
1 file changed, 4 insertions(+)
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);
}
--
2.5.0
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