Staging: panel: Replace NULL comparison.
Use ! operating instead of NULL checks. Addresses "CHECK: Comparison to NULL" from checkpatch.pl. Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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5a731c70bc
Коммит
b565b3fbec
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@ -920,7 +920,7 @@ static void lcd_gotoxy(void)
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static void lcd_print(char c)
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{
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if (lcd.addr.x < lcd.bwidth) {
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if (lcd_char_conv != NULL)
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if (lcd_char_conv)
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c = lcd_char_conv[(unsigned char)c];
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lcd_write_data(c);
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lcd.addr.x++;
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@ -1118,7 +1118,7 @@ static inline int handle_lcd_special_code(void)
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break;
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case '*':
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/* flash back light using the keypad timer */
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if (scan_timer.function != NULL) {
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if (scan_timer.function) {
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if (lcd.light_tempo == 0
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&& ((lcd.flags & LCD_FLAG_L) == 0))
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lcd_backlight(1);
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@ -1200,7 +1200,7 @@ static inline int handle_lcd_special_code(void)
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char value;
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int addr;
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if (strchr(esc, ';') == NULL)
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if (!strchr(esc, ';'))
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break;
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esc++;
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@ -1246,7 +1246,7 @@ static inline int handle_lcd_special_code(void)
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}
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case 'x': /* gotoxy : LxXXX[yYYY]; */
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case 'y': /* gotoxy : LyYYY[xXXX]; */
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if (strchr(esc, ';') == NULL)
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if (!strchr(esc, ';'))
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break;
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while (*esc) {
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@ -1844,7 +1844,7 @@ static inline int input_state_high(struct logical_input *input)
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if ((input->type == INPUT_TYPE_STD) &&
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(input->high_timer == 0)) {
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input->high_timer++;
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if (input->u.std.press_fct != NULL)
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if (input->u.std.press_fct)
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input->u.std.press_fct(input->u.std.press_data);
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} else if (input->type == INPUT_TYPE_KBD) {
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/* will turn on the light */
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@ -1924,7 +1924,7 @@ static inline void input_state_falling(struct logical_input *input)
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if (input->type == INPUT_TYPE_STD) {
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void (*release_fct)(int) = input->u.std.release_fct;
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if (release_fct != NULL)
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if (release_fct)
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release_fct(input->u.std.release_data);
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} else if (input->type == INPUT_TYPE_KBD) {
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char *release_str = input->u.kbd.release_str;
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@ -2025,7 +2025,7 @@ static void panel_scan_timer(void)
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static void init_scan_timer(void)
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{
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if (scan_timer.function != NULL)
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if (scan_timer.function)
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return; /* already started */
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setup_timer(&scan_timer, (void *)&panel_scan_timer, 0);
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@ -2229,7 +2229,7 @@ static void panel_attach(struct parport *port)
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/* panel_cb.flags = 0 should be PARPORT_DEV_EXCL? */
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pprt = parport_register_dev_model(port, "panel", &panel_cb, 0);
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if (pprt == NULL) {
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if (!pprt) {
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pr_err("%s: port->number=%d parport=%d, parport_register_device() failed\n",
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__func__, port->number, parport);
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return;
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@ -2276,10 +2276,10 @@ static void panel_detach(struct parport *port)
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__func__, port->number, parport);
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return;
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}
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if (scan_timer.function != NULL)
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if (scan_timer.function)
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del_timer_sync(&scan_timer);
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if (pprt != NULL) {
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if (pprt) {
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if (keypad.enabled) {
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misc_deregister(&keypad_dev);
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keypad_initialized = 0;
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