linux-kernel - [PATCH] staging: ks7010: Adjust dev_err() calls in ks7010_sdio

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Date:   Tue, 11 Apr 2017 15:15:32 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     devel@...verdev.osuosl.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sabitha George <sabitha.george@...il.com>,
        sayli karnik <karniksayli1995@...il.com>,
        "Tobin C. Harding" <me@...in.cc>, Wolfram Sang <wsa@...-dreams.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org, Joe Perches <joe@...ches.com>
Subject: [PATCH] staging: ks7010: Adjust dev_err() calls in
 ks7010_sdio_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 11 Apr 2017 14:54:35 +0200

The use of the logging function "dev_err" was introduced here on 2016-09-26.

I find the following implementation details worth for another look.
* Reduce expressions for the first input parameter "dev".

* Omit an extra module prefix in passed error messages because the device name
  will be displayed by the function "__dev_printk".

Fixes: 9887b5e51fafaf919601ccb8bdae1e0ad749032f ("staging: ks7010: Fix warnings on printk() usage")

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/staging/ks7010/ks7010_sdio.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index b16618b41253..85feb170869b 100644
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -955,12 +955,11 @@ static int ks7010_sdio_probe(struct sdio_func *func,
 	/* private memory allocate */
 	netdev = alloc_etherdev(sizeof(*priv));
 	if (!netdev) {
-		dev_err(&card->func->dev, "ks7010 : Unable to alloc new net device\n");
+		dev_err(&func->dev, "Unable to alloc new net device\n");
 		goto err_release_irq;
 	}
 	if (dev_alloc_name(netdev, "wlan%d") < 0) {
-		dev_err(&card->func->dev,
-			"ks7010 :  Couldn't get name!\n");
+		dev_err(&func->dev, "Couldn't get name!\n");
 		goto err_free_netdev;
 	}
 
@@ -1000,9 +999,9 @@ static int ks7010_sdio_probe(struct sdio_func *func,
 	/* Upload firmware */
 	ret = ks7010_upload_firmware(priv, card);	/* firmware load */
 	if (ret) {
-		dev_err(&card->func->dev,
-			"ks7010: firmware load failed !! return code = %d\n",
-			 ret);
+		dev_err(&func->dev,
+			"firmware load failed! return code = %d\n",
+			ret);
 		goto err_free_read_buf;
 	}
 
-- 
2.12.2