[PATCH -next] PKCS#7: Use match_string() helper to simplify the code
From: YueHaibing
Date: Sun Dec 29 2019 - 21:30:28 EST
match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
crypto/asymmetric_keys/pkcs7_verify.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index ce49820..0b4d07a 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -141,11 +141,10 @@ int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf, u32 *len,
*buf = sinfo->sig->digest;
*len = sinfo->sig->digest_size;
- for (i = 0; i < HASH_ALGO__LAST; i++)
- if (!strcmp(hash_algo_name[i], sinfo->sig->hash_algo)) {
- *hash_algo = i;
- break;
- }
+ i = match_string(hash_algo_name, HASH_ALGO__LAST,
+ sinfo->sig->hash_algo);
+ if (i >= 0)
+ *hash_algo = i;
return 0;
}
--
2.7.4