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Message-ID: <CAJZ5v0i_StL59p=4bD8eQ_40KjtJy293b-M2NfA_HsCPLU_Q-Q@mail.gmail.com>
Date: Tue, 12 Aug 2025 15:07:44 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Diksha Kumari <dikshakdevgan@...il.com>
Cc: rafael@...nel.org, robert.moore@...el.com, lenb@...nel.org,
linux-acpi@...r.kernel.org, acpica-devel@...ts.linux.dev,
linux-kernel@...r.kernel.org, Markus.Elfring@....de
Subject: Re: [PATCH V2] acpi: remove unnecessary parenthesis from return statement
On Sun, Aug 3, 2025 at 5:39 PM Diksha Kumari <dikshakdevgan@...il.com> wrote:
>
> checkpatch.pl is generating a warning when return value is enclosed
> in parenthesis. Remove the parenthesis to improve code readability.
Teach checkpatch.pl to skip the ACPICA code instead. Seriously.
This code is generated semi-automatically out of the upstream ACPICA
code hosted on GitHub and it follows its own code-style rules. Don't
change it manually unless you have made a corresponding change
upstream.
Thanks!
> Signed-off-by: Diksha Kumari <dikshakdevgan@...il.com>
> ---
> drivers/acpi/acpica/dbconvert.c | 43 +++++++++++++++------------------
> 1 file changed, 19 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c
> index 8dbab6932049..5f53388b6f1e 100644
> --- a/drivers/acpi/acpica/dbconvert.c
> +++ b/drivers/acpi/acpica/dbconvert.c
> @@ -31,9 +31,8 @@ acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value)
>
> /* Digit must be ascii [0-9a-fA-F] */
>
> - if (!isxdigit(hex_char)) {
> - return (AE_BAD_HEX_CONSTANT);
> - }
> + if (!isxdigit(hex_char))
> + return AE_BAD_HEX_CONSTANT;
>
> if (hex_char <= 0x39) {
> value = (u8)(hex_char - 0x30);
> @@ -42,7 +41,7 @@ acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value)
> }
>
> *return_value = value;
> - return (AE_OK);
> + return AE_OK;
> }
>
> /*******************************************************************************
> @@ -68,19 +67,17 @@ static acpi_status acpi_db_hex_byte_to_binary(char *hex_byte, u8 *return_value)
> /* High byte */
>
> status = acpi_db_hex_char_to_value(hex_byte[0], &local0);
> - if (ACPI_FAILURE(status)) {
> - return (status);
> - }
> + if (ACPI_FAILURE(status))
> + return status;
>
> /* Low byte */
>
> status = acpi_db_hex_char_to_value(hex_byte[1], &local1);
> - if (ACPI_FAILURE(status)) {
> - return (status);
> - }
> + if (ACPI_FAILURE(status))
> + return status;
>
> *return_value = (u8)((local0 << 4) | local1);
> - return (AE_OK);
> + return AE_OK;
> }
>
> /*******************************************************************************
> @@ -122,9 +119,8 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object)
> }
>
> buffer = ACPI_ALLOCATE(length);
> - if (!buffer) {
> - return (AE_NO_MEMORY);
> - }
> + if (!buffer)
> + return AE_NO_MEMORY;
>
> /* Convert the command line bytes to the buffer */
>
> @@ -132,7 +128,7 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object)
> status = acpi_db_hex_byte_to_binary(&string[i], &buffer[j]);
> if (ACPI_FAILURE(status)) {
> ACPI_FREE(buffer);
> - return (status);
> + return status;
> }
>
> j++;
> @@ -145,7 +141,7 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object)
> object->type = ACPI_TYPE_BUFFER;
> object->buffer.pointer = buffer;
> object->buffer.length = length;
> - return (AE_OK);
> + return AE_OK;
> }
>
> /*******************************************************************************
> @@ -175,7 +171,7 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
> ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS *
> sizeof(union acpi_object));
> if (!elements)
> - return (AE_NO_MEMORY);
> + return AE_NO_MEMORY;
>
> this = string;
> for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) {
> @@ -190,7 +186,7 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
> if (ACPI_FAILURE(status)) {
> acpi_db_delete_objects(i + 1, elements);
> ACPI_FREE(elements);
> - return (status);
> + return status;
> }
>
> this = next;
> @@ -199,7 +195,7 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
> object->type = ACPI_TYPE_PACKAGE;
> object->package.count = i;
> object->package.elements = elements;
> - return (AE_OK);
> + return AE_OK;
> }
>
> /*******************************************************************************
> @@ -251,7 +247,7 @@ acpi_db_convert_to_object(acpi_object_type type,
> break;
> }
>
> - return (status);
> + return status;
> }
>
> /*******************************************************************************
> @@ -272,9 +268,8 @@ u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info)
> u32 dword;
>
> buffer = ACPI_ALLOCATE_ZEROED(ACPI_PLD_BUFFER_SIZE);
> - if (!buffer) {
> - return (NULL);
> - }
> + if (!buffer)
> + return NULL;
>
> /* First 32 bits */
>
> @@ -331,7 +326,7 @@ u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info)
> ACPI_MOVE_32_TO_32(&buffer[4], &dword);
> }
>
> - return (ACPI_CAST_PTR(u8, buffer));
> + return ACPI_CAST_PTR(u8, buffer);
> }
>
> /*******************************************************************************
> --
> 2.34.1
>
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