imitate nearby code about using '!value' or 'value == NULL'
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
return;
}
data = streambuf_get(&s->out.buf);
- if (NULL == data) {
+ if (!data) {
return;
}
AUD_write(s->out.voice, data, USBAUDIO_PACKET_SIZE);
return;
}
data_in = usb_mtp_get_object(s, c, o);
- if (NULL == data_in) {
+ if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
c->trans, 0, 0, 0);
return;
return;
}
data_in = usb_mtp_get_partial_object(s, c, o);
- if (NULL == data_in) {
+ if (data_in == NULL) {
usb_mtp_queue_result(s, RES_GENERAL_ERROR,
c->trans, 0, 0, 0);
return;
entry = ehci_get_fetch_addr(ehci, async);
q = ehci_find_queue_by_qh(ehci, entry, async);
- if (NULL == q) {
+ if (q == NULL) {
q = ehci_alloc_queue(ehci, entry, async);
}