* [PATCH -next] crypto: pkcs7: Use match_string() helper to simplify the code
@ 2020-09-02 14:07 YueHaibing
0 siblings, 0 replies; only message in thread
From: YueHaibing @ 2020-09-02 14:07 UTC (permalink / raw)
To: dhowells, herbert, davem, yuehaibing; +Cc: keyrings, linux-crypto, linux-kernel
match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
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 ce49820caa97..0b4d07aa8811 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;
}
--
2.17.1
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