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staging: speakup: Simplify "NULL" comparisons

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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 2017-03-21 17:12:27 +05:30 committed by Greg Kroah-Hartman
parent 049aa51558
commit b8f107bc90
2 changed files with 4 additions and 4 deletions
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2
drivers/staging/speakup/selection.c
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@ -175,7 +175,7 @@ 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);

6
drivers/staging/speakup/varhandlers.c
View file

@ -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) {
@ -210,11 +210,11 @@ 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 0;
}
if (p_val != NULL)
if (p_val)
*p_val = val;
if (var->var_id == PUNC_LEVEL) {
spk_punc_mask = spk_punc_masks[val];