linux-kernel - [PATCH] lib: parser: update documentation for match

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Date:   Thu, 23 Feb 2023 20:26:18 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Li Lingfeng <lilingfeng3@...wei.com>,
        Yu Kuai <yukuai1@...weicloud.com>, Tejun Heo <tj@...nel.org>
Subject: [PATCH] lib: parser: update documentation for match_NUMBER functions

From: Eric Biggers <ebiggers@...gle.com>

commit 67222c4ba8af ("lib: parser: optimize match_NUMBER apis to use
local array") removed -ENOMEM as a possible return value, so update the
comments accordingly.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 lib/parser.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/parser.c b/lib/parser.c
index 2b5e2b480253..f4eafb9d74e6 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -133,7 +133,7 @@ EXPORT_SYMBOL(match_token);
  * as a number in that base.
  *
  * Return: On success, sets @result to the integer represented by the
- * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * string and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 static int match_number(substring_t *s, int *result, int base)
 {
@@ -165,7 +165,7 @@ static int match_number(substring_t *s, int *result, int base)
  * as a number in that base.
  *
  * Return: On success, sets @result to the integer represented by the
- * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * string and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 static int match_u64int(substring_t *s, u64 *result, int base)
 {
@@ -189,7 +189,7 @@ static int match_u64int(substring_t *s, u64 *result, int base)
  * Description: Attempts to parse the &substring_t @s as a decimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_int(substring_t *s, int *result)
 {
@@ -205,7 +205,7 @@ EXPORT_SYMBOL(match_int);
  * Description: Attempts to parse the &substring_t @s as a decimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_uint(substring_t *s, unsigned int *result)
 {
@@ -228,7 +228,7 @@ EXPORT_SYMBOL(match_uint);
  * integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_u64(substring_t *s, u64 *result)
 {
@@ -244,7 +244,7 @@ EXPORT_SYMBOL(match_u64);
  * Description: Attempts to parse the &substring_t @s as an octal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_octal(substring_t *s, int *result)
 {
@@ -260,7 +260,7 @@ EXPORT_SYMBOL(match_octal);
  * Description: Attempts to parse the &substring_t @s as a hexadecimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_hex(substring_t *s, int *result)
 {
-- 
2.39.2