summary refs log tree commit diff
path: root/drivers/pinctrl/pinconf.c
diff options
context:
space:
mode:
authorMarkus Elfring <elfring@users.sourceforge.net>2017-05-02 10:01:57 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-05-22 10:39:24 +0200
commit76ce37f05ecf45457dfc2ebc9c4ef2f6a343f4de (patch)
tree23c0b6a98ba183bf7e890070dae68db9cc380a23 /drivers/pinctrl/pinconf.c
parentde2eae26def674ce9c78f3191b4bc0625c640d6a (diff)
downloadlinux-76ce37f05ecf45457dfc2ebc9c4ef2f6a343f4de.tar.gz
pinctrl: Adjust five checks for null pointers
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>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinconf.c')
-rw-r--r--drivers/pinctrl/pinconf.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index 44471f6b9898..2f4bcb6b3844 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);
@@ -524,7 +524,7 @@ 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;
@@ -532,7 +532,7 @@ 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;
@@ -540,7 +540,7 @@ 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;
@@ -548,7 +548,7 @@ 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;