Staging: speakup: kobjects.c: Remove explicit NULL comparison

Remove explicit NULL comparison and write it in its simpler form.
Replacement done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
index 958add4..fdfeb42 100644 (file)
--- a/drivers/staging/speakup/kobjects.c
+++ b/drivers/staging/speakup/kobjects.c
@@ -368,7 +368,7 @@ static ssize_t synth_show(struct kobject *kobj, struct kobj_attribute *attr,
 {
        int rv;
 
-       if (synth == NULL)
+       if (!synth)
                rv = sprintf(buf, "%s\n", "none");
        else
                rv = sprintf(buf, "%s\n", synth->name);
@@ -459,14 +459,14 @@ static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
        unsigned long flags;
 
        p_header = spk_var_header_by_name(attr->attr.name);
-       if (p_header == NULL) {
+       if (!p_header) {
                pr_warn("p_header is null, attr->attr.name is %s\n",
                        attr->attr.name);
                return -EINVAL;
        }
 
        var = spk_get_punc_var(p_header->var_id);
-       if (var == NULL) {
+       if (!var) {
                pr_warn("var is null, p_header->var_id is %i\n",
                                p_header->var_id);
                return -EINVAL;
@@ -501,14 +501,14 @@ static ssize_t punc_store(struct kobject *kobj, struct kobj_attribute *attr,
                return -EINVAL;
 
        p_header = spk_var_header_by_name(attr->attr.name);
-       if (p_header == NULL) {
+       if (!p_header) {
                pr_warn("p_header is null, attr->attr.name is %s\n",
                        attr->attr.name);
                return -EINVAL;
        }
 
        var = spk_get_punc_var(p_header->var_id);
-       if (var == NULL) {
+       if (!var) {
                pr_warn("var is null, p_header->var_id is %i\n",
                                p_header->var_id);
                return -EINVAL;
@@ -546,7 +546,7 @@ ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
        unsigned long flags;
 
        param = spk_var_header_by_name(attr->attr.name);
-       if (param == NULL)
+       if (!param)
                return -EINVAL;
 
        spin_lock_irqsave(&speakup_info.spinlock, flags);
@@ -622,9 +622,9 @@ ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
        unsigned long flags;
 
        param = spk_var_header_by_name(attr->attr.name);
-       if (param == NULL)
+       if (!param)
                return -EINVAL;
-       if (param->data == NULL)
+       if (!param->data)
                return 0;
        ret = 0;
        cp = (char *)buf;