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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linux-clk@vger.kernel.org,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 2/8] clk: si5351: Delete an error message for a failed memory allocation in si5351_i2c_probe()
Date: Thu, 20 Apr 2017 10:23:48 +0200	[thread overview]
Message-ID: <2a7dd521-86bb-09b8-d49d-7518b51094ea@users.sourceforge.net> (raw)
In-Reply-To: <94b24eaa-c5fb-80ea-441a-883989d14ef5@users.sourceforge.net>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 20 Apr 2017 07:34:54 +0200

The script "checkpatch.pl" pointed information out like the following.

* CHECK: Comparison to NULL could be written "!drvdata"

  Thus adjust this expression.


* WARNING: Possible unnecessary 'out of memory' message

  Thus remove such a statement here.

  Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/clk/clk-si5351.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index a4c009e1e70d..2492442eea77 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -1354,10 +1354,8 @@ static int si5351_i2c_probe(struct i2c_client *client,
 		return -EINVAL;
 
 	drvdata = devm_kzalloc(&client->dev, sizeof(*drvdata), GFP_KERNEL);
-	if (drvdata == NULL) {
-		dev_err(&client->dev, "unable to allocate driver data\n");
+	if (!drvdata)
 		return -ENOMEM;
-	}
 
 	i2c_set_clientdata(client, drvdata);
 	drvdata->client = client;
-- 
2.12.2

  parent reply	other threads:[~2017-04-20  8:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20  8:20 [PATCH 0/8] clk: Fine-tuning for ten function implementations SF Markus Elfring
2017-04-20  8:22 ` [PATCH 1/8] clk: si5351: Use devm_kcalloc() in si5351_i2c_probe() SF Markus Elfring
2017-04-22  2:44   ` Stephen Boyd
2017-04-20  8:23 ` SF Markus Elfring [this message]
2017-04-22  2:45   ` [PATCH 2/8] clk: si5351: Delete an error message for a failed memory allocation " Stephen Boyd
2017-04-20  8:26 ` [PATCH 3/8] clk: si5351: Adjust a null pointer check in si5351_dt_parse() SF Markus Elfring
2017-04-20  8:27 ` [PATCH 4/8] clk: Replace four seq_printf() calls by seq_putc() SF Markus Elfring
2017-04-22  2:46   ` Stephen Boyd
2017-04-20  8:28 ` [PATCH 5/8] clk: Combine two seq_puts() calls into one call in clk_summary_show() SF Markus Elfring
2017-04-20  8:29 ` [PATCH 6/8] clk: Improve a size determination in two functions SF Markus Elfring
2017-04-22  2:47   ` Stephen Boyd
2017-04-20  8:30 ` [PATCH 7/8] clk: nomadik: Use seq_puts() in nomadik_src_clk_show() SF Markus Elfring
2017-04-22  2:48   ` Stephen Boyd
2017-04-20  8:32 ` [PATCH 8/8] clk: nomadik: Delete error messages for a failed memory allocation in two functions SF Markus Elfring
2017-04-22  2:48   ` Stephen Boyd

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