pinctrl: Adjust five checks for null pointers

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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>
This commit is contained in:
Markus Elfring 2017-05-02 10:01:57 +02:00 committed by Linus Walleij
parent de2eae26de
commit 76ce37f05e

View File

@ -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;