[PATCH 01/16] Staging: speakup: varhandlers.c: Remove explicit NULL comparison

From: Shraddha Barke
Date: Thu Sep 10 2015 - 21:55:43 EST


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@xxxxxxxxx>
---
drivers/staging/speakup/varhandlers.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/speakup/varhandlers.c b/drivers/staging/speakup/varhandlers.c
index 75bf40c..64042c9 100644
--- a/drivers/staging/speakup/varhandlers.c
+++ b/drivers/staging/speakup/varhandlers.c
@@ -90,7 +90,7 @@ void speakup_register_var(struct var_t *var)
struct st_var_header *p_header;

BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
- if (var_ptrs[0] == NULL) {
+ if (!var_ptrs[0]) {
for (i = 0; i < MAXVARS; i++) {
p_header = &var_headers[i];
var_ptrs[p_header->var_id] = p_header;
@@ -130,7 +130,7 @@ struct st_var_header *spk_get_var_header(enum var_id_t var_id)
if (var_id < 0 || var_id >= MAXVARS)
return NULL;
p_header = var_ptrs[var_id];
- if (p_header->data == NULL)
+ if (!p_header->data)
return NULL;
return p_header;
}
@@ -163,7 +163,7 @@ struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
struct punc_var_t *where;

where = punc_vars;
- while ((where->var_id != -1) && (rv == NULL)) {
+ while ((where->var_id != -1) && (!rv)) {
if (where->var_id == var_id)
rv = where;
else
@@ -183,7 +183,7 @@ int spk_set_num_var(int input, struct st_var_header *var, int how)
char *cp;
struct var_t *var_data = var->data;

- if (var_data == NULL)
+ if (!var_data)
return -ENODATA;

if (how == E_NEW_DEFAULT) {
@@ -221,7 +221,7 @@ int spk_set_num_var(int input, struct st_var_header *var, int how)
if (var_data->u.n.multiplier != 0)
val *= var_data->u.n.multiplier;
val += var_data->u.n.offset;
- if (var->var_id < FIRST_SYNTH_VAR || synth == NULL)
+ if (var->var_id < FIRST_SYNTH_VAR || !synth)
return ret;
if (synth->synth_adjust != NULL) {
int status = synth->synth_adjust(var);
@@ -247,7 +247,7 @@ int spk_set_string_var(const char *page, struct st_var_header *var, int len)
{
struct var_t *var_data = var->data;

- if (var_data == NULL)
+ if (!var_data)
return -ENODATA;
if (len > MAXVARLEN)
return -E2BIG;
@@ -313,7 +313,7 @@ char *spk_strlwr(char *s)
{
char *p;

- if (s == NULL)
+ if (!s)
return NULL;

for (p = s; *p; p++)
--
2.1.4

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