From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linux-gpio@vger.kernel.org, Linus Walleij <linus.walleij@linaro.org>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 5/9] pinctrl: Adjust five checks for null pointers
Date: Tue, 2 May 2017 11:25:07 +0200 [thread overview]
Message-ID: <080f6ec0-7796-d802-7b64-8ea9b5488a7a@users.sourceforge.net> (raw)
In-Reply-To: <d8cce619-5a37-2f8b-1c07-a4c45443fb50@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 2 May 2017 10:01:57 +0200
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written !…
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/pinctrl/pinconf.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index dfa782e19f37..f2168b6e3418 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -319,7 +319,7 @@ static int pinconf_pins_show(struct seq_file *s, void *what)
pin = pctldev->desc->pins[i].number;
desc = pin_desc_get(pctldev, pin);
/* Skip if we cannot search the pin */
- if (desc == NULL)
+ if (!desc)
continue;
seq_printf(s, "pin %d (%s): ", pin, desc->name);
@@ -528,7 +528,7 @@ static ssize_t pinconf_dbg_config_write(struct file *file,
/* get arg 'device_name' */
token = strsep(&b, " ");
- if (token == NULL)
+ if (!token)
return -EINVAL;
if (strlen(token) >= MAX_NAME_LEN)
return -EINVAL;
@@ -536,7 +536,7 @@ static ssize_t pinconf_dbg_config_write(struct file *file,
/* get arg 'state_name' */
token = strsep(&b, " ");
- if (token == NULL)
+ if (!token)
return -EINVAL;
if (strlen(token) >= MAX_NAME_LEN)
return -EINVAL;
@@ -544,7 +544,7 @@ static ssize_t pinconf_dbg_config_write(struct file *file,
/* get arg 'pin_name' */
token = strsep(&b, " ");
- if (token == NULL)
+ if (!token)
return -EINVAL;
if (strlen(token) >= MAX_NAME_LEN)
return -EINVAL;
@@ -552,7 +552,7 @@ static ssize_t pinconf_dbg_config_write(struct file *file,
/* get new_value of config' */
token = strsep(&b, " ");
- if (token == NULL)
+ if (!token)
return -EINVAL;
if (strlen(token) >= MAX_NAME_LEN)
return -EINVAL;
--
2.12.2
next prev parent reply other threads:[~2017-05-02 9:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-02 9:20 [PATCH 0/9] pinctrl: Fine-tuning for some function implementations SF Markus Elfring
2017-05-02 9:21 ` [PATCH 1/9] pinctrl: Use seq_putc() in three functions SF Markus Elfring
2017-05-11 11:34 ` Linus Walleij
2017-05-02 9:22 ` [PATCH 2/9] pinctrl: Combine two seq_puts() calls into one call in two functions SF Markus Elfring
2017-05-03 17:47 ` Andy Shevchenko
2017-05-02 9:23 ` [PATCH 3/9] pinctrl: Combine five seq_printf() calls into one call in pinconf_dbg_config_print() SF Markus Elfring
2017-05-03 17:48 ` Andy Shevchenko
2017-05-02 9:24 ` [PATCH 4/9] pinctrl: Replace two seq_printf() calls by seq_puts() in pinconf_show_map() SF Markus Elfring
2017-05-11 13:24 ` Linus Walleij
2017-05-02 9:25 ` SF Markus Elfring [this message]
2017-05-11 13:25 ` [PATCH 5/9] pinctrl: Adjust five checks for null pointers Linus Walleij
2017-05-02 9:26 ` [PATCH 6/9] pinctrl: Combine substrings for a message in pin_config_group_get() SF Markus Elfring
2017-05-03 17:49 ` Andy Shevchenko
2017-05-11 13:26 ` Linus Walleij
2017-05-02 9:27 ` [PATCH 7/9] pinctrl: Add spaces for better code readability SF Markus Elfring
2017-05-11 13:27 ` Linus Walleij
2017-05-02 9:28 ` [PATCH 8/9] pinctrl: Use seq_putc() in pinctrl_maps_show() SF Markus Elfring
2017-05-03 17:45 ` Andy Shevchenko
2017-05-11 13:28 ` Linus Walleij
2017-05-02 9:29 ` [PATCH 9/9] pinctrl: Adjust nine checks for null pointers SF Markus Elfring
2017-05-11 13:29 ` Linus Walleij
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