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staging: speakup: Remove the explicit NULL comparison

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Fixed coding style for null comparisons in speakup driver to be more
consistant with the rest of the kernel coding style.
Replaced 'x != NULL' with 'x' and 'x = NULL' with '!x'.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arushi Singhal 2017-03-24 16:59:59 +05:30 committed by Greg Kroah-Hartman
parent f239d3db3d
commit 0d6ff61649
2 changed files with 17 additions and 17 deletions
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2
drivers/staging/speakup/fakekey.c
View File

@ -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;
}

32
drivers/staging/speakup/main.c
View File

@ -301,7 +301,7 @@ 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();
}
@ -446,7 +446,7 @@ static void speak_char(u16 ch)
}
cp = spk_characters[ch];
if (cp == NULL) {
if (!cp) {
pr_info("speak_char: cp == NULL!\n");
return;
}
@ -1171,7 +1171,7 @@ 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) {
@ -1209,7 +1209,7 @@ 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;
}
@ -1346,7 +1346,7 @@ static int speakup_allocate(struct vc_data *vc, gfp_t gfp_flags)
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_flags);
if (!speakup_console[vc_num])
@ -1399,7 +1399,7 @@ 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;
@ -1514,7 +1514,7 @@ 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;
}
@ -1536,7 +1536,7 @@ 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;
}
@ -1732,7 +1732,7 @@ 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;
}
@ -1749,7 +1749,7 @@ static void speakup_con_write(struct vc_data *vc, u16 *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 */
@ -1778,7 +1778,7 @@ 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 */
@ -1793,7 +1793,7 @@ 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;
@ -1837,7 +1837,7 @@ 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;
@ -1920,7 +1920,7 @@ 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;
}
@ -2014,7 +2014,7 @@ 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;
}
@ -2165,7 +2165,7 @@ 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;