Re: [PATCH v1 1/1] treewide: Align match_string() with sysfs_match_string()

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在 2024/6/2 23:57, Andy Shevchenko 写道:
Make two APIs look similar. Hence convert match_string() to be
a 2-argument macro. In order to avoid unneeded churn, convert
all users as well. There is no functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---

Compile tested with `make allyesconfig` and `make allmodconfig`
on x86_64, arm, aarch64, powerpc64 (8 builds total).


[...]
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c
index a4a0158f712d..fc0da18bfa65 100644
--- a/fs/ubifs/auth.c
+++ b/fs/ubifs/auth.c
@@ -264,13 +264,13 @@ int ubifs_init_authentication(struct ubifs_info *c)
  		return -EINVAL;
  	}
- c->auth_hash_algo = match_string(hash_algo_name, HASH_ALGO__LAST,
-					 c->auth_hash_name);
-	if ((int)c->auth_hash_algo < 0) {
+	err = __match_string(hash_algo_name, HASH_ALGO__LAST, c->auth_hash_name);
+	if (err < 0) {
  		ubifs_err(c, "Unknown hash algo %s specified",
  			  c->auth_hash_name);
-		return -EINVAL;
+		return err;
  	}
+	c->auth_hash_algo = err;
snprintf(hmac_name, CRYPTO_MAX_ALG_NAME, "hmac(%s)",
  		 c->auth_hash_name);

Reviewed-by: Zhihao Cheng <chengzhihao1@xxxxxxxxxx>  # fs/ubifs




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