[PATCH 2/4] hwmon-nct6683: Adjust five checks for null pointers

From: SF Markus Elfring
Date: Thu Apr 27 2017 - 05:30:55 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 27 Apr 2017 10:22:39 +0200
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The script âcheckpatch.plâ pointed information out like the following.

Comparison to NULL could be written â

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/nct6683.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c
index dd14a98cc6dd..4deb46ce8834 100644
--- a/drivers/hwmon/nct6683.c
+++ b/drivers/hwmon/nct6683.c
@@ -423,16 +423,16 @@ nct6683_create_attr_group(struct device *dev,
return ERR_PTR(-EINVAL);

group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL);
- if (group == NULL)
+ if (!group)
return ERR_PTR(-ENOMEM);

attrs = devm_kcalloc(dev, repeat * count + 1, sizeof(*attrs),
GFP_KERNEL);
- if (attrs == NULL)
+ if (!attrs)
return ERR_PTR(-ENOMEM);

su = devm_kcalloc(dev, repeat * count, sizeof(*su), GFP_KERNEL);
- if (su == NULL)
+ if (!su)
return ERR_PTR(-ENOMEM);

group->attrs = attrs;
@@ -440,7 +440,7 @@ nct6683_create_attr_group(struct device *dev,

for (i = 0; i < repeat; i++) {
t = tg->templates;
- for (j = 0; *t != NULL; j++) {
+ for (j = 0; *t; j++) {
snprintf(su->name, sizeof(su->name),
(*t)->dev_attr.attr.name, tg->base + i);
if ((*t)->s2) {
@@ -1179,7 +1179,7 @@ static void nct6683_setup_sensors(struct nct6683_data *data)
if (reg >= NUM_MON_LABELS)
continue;
/* Skip if disabled or reserved */
- if (nct6683_mon_label[reg] == NULL)
+ if (!nct6683_mon_label[reg])
continue;
if (reg < MON_VOLTAGE_START) {
data->temp_index[data->temp_num] = i;
--
2.12.2