From: Shraddha Barke <shraddha.6596@xxxxxxxxx>
Remove explicit NULL comparison and write it in its simpler form.
Signed-off-by: Shraddha Barke <shraddha.6596@xxxxxxxxx>
---
drivers/staging/speakup/buffers.c | 4 ++--
drivers/staging/speakup/fakekey.c | 2 +-
drivers/staging/speakup/i18n.c | 4 ++--
drivers/staging/speakup/kobjects.c | 2 +-
drivers/staging/speakup/main.c | 38 +++++++++++++++++------------------
drivers/staging/speakup/selection.c | 2 +-
drivers/staging/speakup/synth.c | 16 +++++++--------
drivers/staging/speakup/varhandlers.c | 6 +++---
8 files changed, 37 insertions(+), 37 deletions(-)
diff --git a/drivers/staging/speakup/buffers.c b/drivers/staging/speakup/buffers.c
index 8565c23..b055b9e 100644
--- a/drivers/staging/speakup/buffers.c
+++ b/drivers/staging/speakup/buffers.c
@@ -27,7 +27,7 @@ void speakup_start_ttys(void)
for (i = 0; i < MAX_NR_CONSOLES; i++) {
if (speakup_console[i] && speakup_console[i]->tty_stopped)
continue;
- if ((vc_cons[i].d != NULL) && (vc_cons[i].d->port.tty != NULL))
+ if ((vc_cons[i].d) && (vc_cons[i].d->port.tty))
start_tty(vc_cons[i].d->port.tty);
}
}
@@ -38,7 +38,7 @@ static void speakup_stop_ttys(void)
int i;
for (i = 0; i < MAX_NR_CONSOLES; i++)
- if ((vc_cons[i].d != NULL) && (vc_cons[i].d->port.tty != NULL))
+ if ((vc_cons[i].d) && (vc_cons[i].d->port.tty))
stop_tty(vc_cons[i].d->port.tty);
}
diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c
index af9b5a2..7350482 100644
--- a/drivers/staging/speakup/fakekey.c
+++ b/drivers/staging/speakup/fakekey.c
@@ -56,7 +56,7 @@ int speakup_add_virtual_keyboard(void)
void speakup_remove_virtual_keyboard(void)
{
- if (virt_keyboard != NULL) {
+ if (virt_keyboard) {
input_unregister_device(virt_keyboard);
virt_keyboard = NULL;
}
diff --git a/drivers/staging/speakup/i18n.c b/drivers/staging/speakup/i18n.c
index 12f880e..470010a 100644
--- a/drivers/staging/speakup/i18n.c
+++ b/drivers/staging/speakup/i18n.c
@@ -410,9 +410,9 @@ static char *next_specifier(char *input)
int found = 0;
char *next_percent = input;
- while ((next_percent != NULL) && !found) {
+ while ((next_percent) && !found) {
next_percent = strchr(next_percent, '%');
- if (next_percent != NULL) {
+ if (next_percent) {
/* skip over doubled percent signs */
while ((next_percent[0] == '%')
&& (next_percent[1] == '%'))
diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
index fdfeb42..13b4eba 100644
--- a/drivers/staging/speakup/kobjects.c
+++ b/drivers/staging/speakup/kobjects.c
@@ -392,7 +392,7 @@ static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
len--;
new_synth_name[len] = '\0';
spk_strlwr(new_synth_name);
- if ((synth != NULL) && (!strcmp(new_synth_name, synth->name))) {
+ if ((synth) && (!strcmp(new_synth_name, synth->name))) {
pr_warn("%s already in use\n", new_synth_name);
} else if (synth_init(new_synth_name) != 0) {
pr_warn("failed to init synth %s\n", new_synth_name);
diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index 456f650..9b4dab8 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -298,7 +298,7 @@ static void speakup_shut_up(struct vc_data *vc)
spk_shut_up |= 0x01;
spk_parked &= 0xfe;
speakup_date(vc);
- if (synth != NULL)
+ if (synth)
spk_do_flush();
}
@@ -440,7 +440,7 @@ static void speak_char(u_char ch)
synth_printf("%s", spk_str_caps_stop);
return;
}
- if (cp == NULL) {
+ if (!cp) {
pr_info("speak_char: cp == NULL!\n");
return;
}
@@ -1150,7 +1150,7 @@ static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag)
{
unsigned long flags;
- if (synth == NULL || up_flag || spk_killed)
+ if (!synth || up_flag || spk_killed)
return;
spin_lock_irqsave(&speakup_info.spinlock, flags);
if (cursor_track == read_all_mode) {
@@ -1187,7 +1187,7 @@ static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag)
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return;
}
- if (synth == NULL || spk_killed) {
+ if (!synth || spk_killed) {
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return;
}
@@ -1271,7 +1271,7 @@ void spk_reset_default_chars(void)
/* First, free any non-default */
for (i = 0; i < 256; i++) {
- if ((spk_characters[i] != NULL)
+ if ((spk_characters[i])
&& (spk_characters[i] != spk_default_chars[i]))
kfree(spk_characters[i]);
}
@@ -1313,10 +1313,10 @@ static int speakup_allocate(struct vc_data *vc)
int vc_num;
vc_num = vc->vc_num;
- if (speakup_console[vc_num] == NULL) {
+ if (!speakup_console[vc_num]) {
speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]),
GFP_ATOMIC);
- if (speakup_console[vc_num] == NULL)
+ if (!speakup_console[vc_num])
return -ENOMEM;
speakup_date(vc);
} else if (!spk_parked)
@@ -1365,7 +1365,7 @@ static void kbd_fakekey2(struct vc_data *vc, int command)
static void read_all_doc(struct vc_data *vc)
{
- if ((vc->vc_num != fg_console) || synth == NULL || spk_shut_up)
+ if ((vc->vc_num != fg_console) || !synth || spk_shut_up)
return;
if (!synth_supports_indexing())
return;
@@ -1479,7 +1479,7 @@ static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
spin_lock_irqsave(&speakup_info.spinlock, flags);
if (cursor_track == read_all_mode) {
spk_parked &= 0xfe;
- if (synth == NULL || up_flag || spk_shut_up) {
+ if (!synth || up_flag || spk_shut_up) {
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return NOTIFY_STOP;
}
@@ -1501,7 +1501,7 @@ static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
spin_lock_irqsave(&speakup_info.spinlock, flags);
spk_parked &= 0xfe;
- if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) {
+ if (!synth || up_flag || spk_shut_up || cursor_track == CT_Off) {
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return;
}
@@ -1694,7 +1694,7 @@ static void speakup_bs(struct vc_data *vc)
return;
if (!spk_parked)
speakup_date(vc);
- if (spk_shut_up || synth == NULL) {
+ if (spk_shut_up || !synth) {
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return;
}
@@ -1711,7 +1711,7 @@ static void speakup_con_write(struct vc_data *vc, const char *str, int len)
{
unsigned long flags;
- if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL)
+ if ((vc->vc_num != fg_console) || spk_shut_up || !synth)
return;
if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
/* Speakup output, discard */
@@ -1740,7 +1740,7 @@ static void speakup_con_update(struct vc_data *vc)
{
unsigned long flags;
- if (speakup_console[vc->vc_num] == NULL || spk_parked)
+ if (!speakup_console[vc->vc_num] || spk_parked)
return;
if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
/* Speakup output, discard */
@@ -1755,7 +1755,7 @@ static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag)
int on_off = 2;
char *label;
- if (synth == NULL || up_flag || spk_killed)
+ if (!synth || up_flag || spk_killed)
return;
spin_lock_irqsave(&speakup_info.spinlock, flags);
spk_shut_up &= 0xfe;
@@ -1799,7 +1799,7 @@ static int inc_dec_var(u_char value)
var_id = var_id / 2 + FIRST_SET_VAR;
p_header = spk_get_var_header(var_id);
- if (p_header == NULL)
+ if (!p_header)
return -1;
if (p_header->var_type != VAR_NUM)
return -1;
@@ -1880,7 +1880,7 @@ static void speakup_bits(struct vc_data *vc)
{
int val = this_speakup_key - (FIRST_EDIT_BITS - 1);
- if (spk_special_handler != NULL || val < 1 || val > 6) {
+ if (spk_special_handler || val < 1 || val > 6) {
synth_printf("%s\n", spk_msg_get(MSG_ERROR));
return;
}
@@ -1971,7 +1971,7 @@ do_goto:
static void speakup_goto(struct vc_data *vc)
{
- if (spk_special_handler != NULL) {
+ if (spk_special_handler) {
synth_printf("%s\n", spk_msg_get(MSG_ERROR));
return;
}
@@ -2049,7 +2049,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
u_char shift_info, offset;
int ret = 0;
- if (synth == NULL)
+ if (!synth)
return 0;
spin_lock_irqsave(&speakup_info.spinlock, flags);
@@ -2119,7 +2119,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
}
}
no_map:
- if (type == KT_SPKUP && spk_special_handler == NULL) {
+ if (type == KT_SPKUP && !spk_special_handler) {
do_spkup(vc, new_key);
spk_close_press = 0;
ret = 1;
diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c
index aa5ab6c..cf854ad 100644
--- a/drivers/staging/speakup/selection.c
+++ b/drivers/staging/speakup/selection.c
@@ -172,7 +172,7 @@ static struct speakup_paste_work speakup_paste_work = {
int speakup_paste_selection(struct tty_struct *tty)
{
- if (cmpxchg(&speakup_paste_work.tty, NULL, tty) != NULL)
+ if (cmpxchg(&speakup_paste_work.tty, NULL, tty))
return -EBUSY;
tty_kref_get(tty);
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index 01eddab..669d63f 100644
--- a/drivers/staging/speakup/synth.c
+++ b/drivers/staging/speakup/synth.c
@@ -51,7 +51,7 @@ int spk_serial_synth_probe(struct spk_synth *synth)
if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
ser = spk_serial_init(synth->ser);
- if (ser == NULL) {
+ if (!ser) {
failed = -1;
} else {
outb_p(0, ser->port);
@@ -271,7 +271,7 @@ void spk_reset_index_count(int sc)
int synth_supports_indexing(void)
{
- if (synth->get_index != NULL)
+ if (synth->get_index)
return 1;
return 0;
}
@@ -350,7 +350,7 @@ int synth_init(char *synth_name)
int ret = 0;
struct spk_synth *synth = NULL;
- if (synth_name == NULL)
+ if (!synth_name)
return 0;
if (strcmp(synth_name, "none") == 0) {
@@ -362,7 +362,7 @@ int synth_init(char *synth_name)
mutex_lock(&spk_mutex);
/* First, check if we already have it loaded. */
- for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
+ for (i = 0; i < MAXSYNTHS && synths[i]; i++)
if (strcmp(synths[i]->name, synth_name) == 0)
synth = synths[i];
@@ -421,7 +421,7 @@ void synth_release(void)
struct var_t *var;
unsigned long flags;
- if (synth == NULL)
+ if (!synth)
return;
spin_lock_irqsave(&speakup_info.spinlock, flags);
pr_info("releasing synth %s\n", synth->name);
@@ -444,7 +444,7 @@ int synth_add(struct spk_synth *in_synth)
int status = 0;
mutex_lock(&spk_mutex);
- for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
+ for (i = 0; i < MAXSYNTHS && synths[i]; i++)
/* synth_remove() is responsible for rotating the array down */
if (in_synth == synths[i]) {
mutex_unlock(&spk_mutex);
@@ -471,11 +471,11 @@ void synth_remove(struct spk_synth *in_synth)
mutex_lock(&spk_mutex);
if (synth == in_synth)
synth_release();
- for (i = 0; synths[i] != NULL; i++) {
+ for (i = 0; synths[i]; i++) {
if (in_synth == synths[i])
break;
}
- for ( ; synths[i] != NULL; i++) /* compress table */
+ for ( ; synths[i]; i++) /* compress table */
synths[i] = synths[i+1];
module_status = 0;
mutex_unlock(&spk_mutex);
diff --git a/drivers/staging/speakup/varhandlers.c b/drivers/staging/speakup/varhandlers.c
index ab4fe8d..bf81d96 100644
--- a/drivers/staging/speakup/varhandlers.c
+++ b/drivers/staging/speakup/varhandlers.c
@@ -98,7 +98,7 @@ void speakup_register_var(struct var_t *var)
}
}
p_header = var_ptrs[var->var_id];
- if (p_header->data != NULL)
+ if (p_header->data)
return;
p_header->data = var;
switch (p_header->var_type) {
@@ -208,11 +208,11 @@ int spk_set_num_var(int input, struct st_var_header *var, int how)
return -ERANGE;
}
var_data->u.n.value = val;
- if (var->var_type == VAR_TIME && p_val != NULL) {
+ if (var->var_type == VAR_TIME && p_val) {
*p_val = msecs_to_jiffies(val);
return ret;
}
- if (p_val != NULL)
+ if (p_val)
*p_val = val;
if (var->var_id == PUNC_LEVEL) {
spk_punc_mask = spk_punc_masks[val];
--
2.1.4
_______________________________________________
Speakup mailing list
Speakup@xxxxxxxxxxxxxxxxx
http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
