Staging: speakup: varhandlers.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/varhandlers.c b/drivers/staging/speakup/varhandlers.c
index 75bf40c14c793930bc8f8903ffff3a09f0647386..b2afec63a6ddff060c76cdda4e2b90583d6152c2 100644 (file)
--- 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) {
@@ -221,9 +221,9 @@ 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) {
+       if (synth->synth_adjust) {
                int status = synth->synth_adjust(var);
 
                return (status != 0) ? status : ret;
@@ -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;
@@ -288,7 +288,7 @@ int spk_set_mask_bits(const char *input, const int which, const int how)
                        if (*cp < SPACE)
                                break;
                        if (mask < PUNC) {
-                               if (!(spk_chartab[*cp]&PUNC))
+                               if (!(spk_chartab[*cp] & PUNC))
                                        break;
                        } else if (spk_chartab[*cp]&B_NUM)
                                break;
@@ -313,7 +313,7 @@ char *spk_strlwr(char *s)
 {
        char *p;
 
-       if (s == NULL)
+       if (!s)
                return NULL;
 
        for (p = s; *p; p++)