From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 88200612E for ; Mon, 3 Apr 2023 14:23:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11381C433D2; Mon, 3 Apr 2023 14:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1680531808; bh=W2Qi3UuccaHUu2AXbJuG1XabTtlskZrReI9EADIScAE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bI1Wv+NpuSj66xFVcYmSNBymbQM/wOrBqJVxjoKiJ02lVl+06xn/nw8AuQH/0SxDC GYDtrdvfJiDM7coHmUFE9PmARpKZp2Dw5G84RvsE63Vmc1qKgjWOIfOkxkW4IVD8Dy dSdpoFZjSWe5/uFaZm7kQ65RMnBI70eOTX6ubf7Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Liguang Zhang , Corey Minyard , Sasha Levin Subject: [PATCH 5.10 004/173] ipmi:ssif: make ssif_i2c_send() void Date: Mon, 3 Apr 2023 16:06:59 +0200 Message-Id: <20230403140414.354868730@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230403140414.174516815@linuxfoundation.org> References: <20230403140414.174516815@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Liguang Zhang [ Upstream commit dcd10526ac5a0d6cc94ce60b9acfca458163277b ] This function actually needs no return value. So remove the unneeded check and make it void. Signed-off-by: Liguang Zhang Message-Id: <20210301140515.18951-1-zhangliguang@linux.alibaba.com> Signed-off-by: Corey Minyard Stable-dep-of: 00bb7e763ec9 ("ipmi:ssif: Add a timer between request retries") Signed-off-by: Sasha Levin --- drivers/char/ipmi/ipmi_ssif.c | 81 +++++++++-------------------------- 1 file changed, 20 insertions(+), 61 deletions(-) diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 0f2bac24e564d..e9775b17dc92e 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -510,7 +510,7 @@ static int ipmi_ssif_thread(void *data) return 0; } -static int ssif_i2c_send(struct ssif_info *ssif_info, +static void ssif_i2c_send(struct ssif_info *ssif_info, ssif_i2c_done handler, int read_write, int command, unsigned char *data, unsigned int size) @@ -522,7 +522,6 @@ static int ssif_i2c_send(struct ssif_info *ssif_info, ssif_info->i2c_data = data; ssif_info->i2c_size = size; complete(&ssif_info->wake_thread); - return 0; } @@ -531,22 +530,12 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, static void start_get(struct ssif_info *ssif_info) { - int rv; - ssif_info->rtc_us_timer = 0; ssif_info->multi_pos = 0; - rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_RESPONSE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(5)\n"); - - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_RESPONSE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); } static void retry_timeout(struct timer_list *t) @@ -620,7 +609,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, { struct ipmi_smi_msg *msg; unsigned long oflags, *flags; - int rv; /* * We are single-threaded here, so no need for a lock until we @@ -666,17 +654,10 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_len = len; ssif_info->multi_pos = 1; - rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(1)\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); + return; } else if (ssif_info->multi_pos) { /* Middle of multi-part read. Start the next transaction. */ int i; @@ -738,19 +719,12 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_pos++; - rv = ssif_i2c_send(ssif_info, msg_done_handler, - I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, - I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from ssif_i2c_send\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, + I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, + I2C_SMBUS_BLOCK_DATA); + return; } } @@ -931,8 +905,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, static void msg_written_handler(struct ssif_info *ssif_info, int result, unsigned char *data, unsigned int len) { - int rv; - /* We are single-threaded here, so no need for a lock. */ if (result < 0) { ssif_info->retries_left--; @@ -995,18 +967,9 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_data = NULL; } - rv = ssif_i2c_send(ssif_info, msg_written_handler, - I2C_SMBUS_WRITE, cmd, - data_to_send, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - ssif_inc_stat(ssif_info, send_errors); - - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(3)\n"); - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_written_handler, + I2C_SMBUS_WRITE, cmd, + data_to_send, I2C_SMBUS_BLOCK_DATA); } else { /* Ready to request the result. */ unsigned long oflags, *flags; @@ -1035,7 +998,6 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, static int start_resend(struct ssif_info *ssif_info) { - int rv; int command; ssif_info->got_alert = false; @@ -1057,12 +1019,9 @@ static int start_resend(struct ssif_info *ssif_info) ssif_info->data[0] = ssif_info->data_len; } - rv = ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, - command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); - if (rv && (ssif_info->ssif_debug & SSIF_DEBUG_MSG)) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(4)\n"); - return rv; + ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, + command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); + return 0; } static int start_send(struct ssif_info *ssif_info, -- 2.39.2