This is the drivers/isdn/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in drivers/isdn/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/* Unlink device structure, free pieces */
*linkp = link->next;
- if (link->priv) {
- kfree(link->priv);
- }
+ kfree(link->priv);
kfree(link);
-
} /* avmcs_detach */
/*======================================================================
{
modehdlc(bcs, 0, 0);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.hdlc.rcvbuf) {
- kfree(bcs->hw.hdlc.rcvbuf);
- bcs->hw.hdlc.rcvbuf = NULL;
- }
- if (bcs->blog) {
- kfree(bcs->blog);
- bcs->blog = NULL;
- }
+ kfree(bcs->hw.hdlc.rcvbuf);
+ bcs->hw.hdlc.rcvbuf = NULL;
+ kfree(bcs->blog);
+ bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
/* Unlink device structure, free pieces */
*linkp = link->next;
- if (link->priv) {
- kfree(link->priv);
- }
+ kfree(link->priv);
kfree(link);
} /* avma1cs_detach */
ic.command = ISDN_STAT_UNLOAD;
ic.driver = cs->myid;
cs->iif.statcallb(&ic);
- if (cs->status_buf)
- kfree(cs->status_buf);
+ kfree(cs->status_buf);
cs->status_read = NULL;
cs->status_write = NULL;
cs->status_end = NULL;
skb_queue_purge(&csta->rq);
skb_queue_purge(&csta->sq);
- if (csta->rcvbuf) {
- kfree(csta->rcvbuf);
- csta->rcvbuf = NULL;
- }
+ kfree(csta->rcvbuf);
+ csta->rcvbuf = NULL;
if (csta->tx_skb) {
dev_kfree_skb(csta->tx_skb);
csta->tx_skb = NULL;
void
release2bds0(struct IsdnCardState *cs)
{
- if (cs->bcs[0].hw.hfc.send) {
- kfree(cs->bcs[0].hw.hfc.send);
- cs->bcs[0].hw.hfc.send = NULL;
- }
- if (cs->bcs[1].hw.hfc.send) {
- kfree(cs->bcs[1].hw.hfc.send);
- cs->bcs[1].hw.hfc.send = NULL;
- }
- if (cs->hw.hfcD.send) {
- kfree(cs->hw.hfcD.send);
- cs->hw.hfcD.send = NULL;
- }
+ kfree(cs->bcs[0].hw.hfc.send);
+ cs->bcs[0].hw.hfc.send = NULL;
+ kfree(cs->bcs[1].hw.hfc.send);
+ cs->bcs[1].hw.hfc.send = NULL;
+ kfree(cs->hw.hfcD.send);
+ cs->hw.hfcD.send = NULL;
}
void
void
releasehfc(struct IsdnCardState *cs)
{
- if (cs->bcs[0].hw.hfc.send) {
- kfree(cs->bcs[0].hw.hfc.send);
- cs->bcs[0].hw.hfc.send = NULL;
- }
- if (cs->bcs[1].hw.hfc.send) {
- kfree(cs->bcs[1].hw.hfc.send);
- cs->bcs[1].hw.hfc.send = NULL;
- }
+ kfree(cs->bcs[0].hw.hfc.send);
+ cs->bcs[0].hw.hfc.send = NULL;
+ kfree(cs->bcs[1].hw.hfc.send);
+ cs->bcs[1].hw.hfc.send = NULL;
}
{
modehscx(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.hscx.rcvbuf) {
- kfree(bcs->hw.hscx.rcvbuf);
- bcs->hw.hscx.rcvbuf = NULL;
- }
- if (bcs->blog) {
- kfree(bcs->blog);
- bcs->blog = NULL;
- }
+ kfree(bcs->hw.hscx.rcvbuf);
+ bcs->hw.hscx.rcvbuf = NULL;
+ kfree(bcs->blog);
+ bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
static void
DC_Close_icc(struct IsdnCardState *cs) {
- if (cs->dc.icc.mon_rx) {
- kfree(cs->dc.icc.mon_rx);
- cs->dc.icc.mon_rx = NULL;
- }
- if (cs->dc.icc.mon_tx) {
- kfree(cs->dc.icc.mon_tx);
- cs->dc.icc.mon_tx = NULL;
- }
+ kfree(cs->dc.icc.mon_rx);
+ cs->dc.icc.mon_rx = NULL;
+ kfree(cs->dc.icc.mon_tx);
+ cs->dc.icc.mon_tx = NULL;
}
static void
{
bch_mode(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.hscx.rcvbuf) {
- kfree(bcs->hw.hscx.rcvbuf);
- bcs->hw.hscx.rcvbuf = NULL;
- }
- if (bcs->blog) {
- kfree(bcs->blog);
- bcs->blog = NULL;
- }
+ kfree(bcs->hw.hscx.rcvbuf);
+ bcs->hw.hscx.rcvbuf = NULL;
+ kfree(bcs->blog);
+ bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
}
static void
-DC_Close_isac(struct IsdnCardState *cs) {
- if (cs->dc.isac.mon_rx) {
- kfree(cs->dc.isac.mon_rx);
- cs->dc.isac.mon_rx = NULL;
- }
- if (cs->dc.isac.mon_tx) {
- kfree(cs->dc.isac.mon_tx);
- cs->dc.isac.mon_tx = NULL;
- }
+DC_Close_isac(struct IsdnCardState *cs)
+{
+ kfree(cs->dc.isac.mon_rx);
+ cs->dc.isac.mon_rx = NULL;
+ kfree(cs->dc.isac.mon_tx);
+ cs->dc.isac.mon_tx = NULL;
}
static void
{
modeisar(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.isar.rcvbuf) {
- kfree(bcs->hw.isar.rcvbuf);
- bcs->hw.isar.rcvbuf = NULL;
- }
+ kfree(bcs->hw.isar.rcvbuf);
+ bcs->hw.isar.rcvbuf = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
{
modejade(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.hscx.rcvbuf) {
- kfree(bcs->hw.hscx.rcvbuf);
- bcs->hw.hscx.rcvbuf = NULL;
- }
- if (bcs->blog) {
- kfree(bcs->blog);
- bcs->blog = NULL;
- }
+ kfree(bcs->hw.hscx.rcvbuf);
+ bcs->hw.hscx.rcvbuf = NULL;
+ kfree(bcs->blog);
+ bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
{
mode_tiger(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.tiger.rcvbuf) {
- kfree(bcs->hw.tiger.rcvbuf);
- bcs->hw.tiger.rcvbuf = NULL;
- }
- if (bcs->hw.tiger.sendbuf) {
- kfree(bcs->hw.tiger.sendbuf);
- bcs->hw.tiger.sendbuf = NULL;
- }
+ kfree(bcs->hw.tiger.rcvbuf);
+ bcs->hw.tiger.rcvbuf = NULL;
+ kfree(bcs->hw.tiger.sendbuf);
+ bcs->hw.tiger.sendbuf = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
static void
releasetiger(struct IsdnCardState *cs)
{
- if (cs->bcs[0].hw.tiger.send) {
- kfree(cs->bcs[0].hw.tiger.send);
- cs->bcs[0].hw.tiger.send = NULL;
- }
- if (cs->bcs[1].hw.tiger.send) {
- cs->bcs[1].hw.tiger.send = NULL;
- }
- if (cs->bcs[0].hw.tiger.rec) {
- kfree(cs->bcs[0].hw.tiger.rec);
- cs->bcs[0].hw.tiger.rec = NULL;
- }
- if (cs->bcs[1].hw.tiger.rec) {
- cs->bcs[1].hw.tiger.rec = NULL;
- }
+ kfree(cs->bcs[0].hw.tiger.send);
+ cs->bcs[0].hw.tiger.send = NULL;
+ cs->bcs[1].hw.tiger.send = NULL;
+ kfree(cs->bcs[0].hw.tiger.rec);
+ cs->bcs[0].hw.tiger.rec = NULL;
+ cs->bcs[1].hw.tiger.rec = NULL;
}
void
// Stop and free Control and Interrupt URBs
usb_kill_urb(ctrl->urb);
- if (ctrl->urb->transfer_buffer)
- kfree(ctrl->urb->transfer_buffer);
+ kfree(ctrl->urb->transfer_buffer);
usb_free_urb(ctrl->urb);
ctrl->urb = NULL;
usb_kill_urb(intr->urb);
- if (intr->urb->transfer_buffer)
- kfree(intr->urb->transfer_buffer);
+ kfree(intr->urb->transfer_buffer);
usb_free_urb(intr->urb);
ctrl->urb = NULL;
}
err:
for (j = 0; j < 2; j++) {
if (urb[j]) {
- if (urb[j]->transfer_buffer)
- kfree(urb[j]->transfer_buffer);
+ kfree(urb[j]->transfer_buffer);
urb[j]->transfer_buffer = NULL;
usb_free_urb(urb[j]);
urb[j] = NULL;
for (j = 0; j < 2; j++) {
usb_kill_urb(urb[j]);
- if (urb[j]->transfer_buffer)
- kfree(urb[j]->transfer_buffer);
+ kfree(urb[j]->transfer_buffer);
usb_free_urb(urb[j]);
urb[j] = NULL;
}
{
W6692Bmode(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (bcs->hw.w6692.rcvbuf) {
- kfree(bcs->hw.w6692.rcvbuf);
- bcs->hw.w6692.rcvbuf = NULL;
- }
- if (bcs->blog) {
- kfree(bcs->blog);
- bcs->blog = NULL;
- }
+ kfree(bcs->hw.w6692.rcvbuf);
+ bcs->hw.w6692.rcvbuf = NULL;
+ kfree(bcs->blog);
+ bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
} else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) {
/* read access -> output card info data */
- if (filep->private_data)
- kfree(filep->private_data); /* release memory */
+ kfree(filep->private_data); /* release memory */
}
unlock_kernel();
return (retval);
isdn_net_hangup(&p->dev);
}
for (i = 0; i < NUM_RCV_BUFFS; i++) {
- if (is->rq[i].buf) {
- kfree(is->rq[i].buf);
- is->rq[i].buf = NULL;
- }
+ kfree(is->rq[i].buf);
+ is->rq[i].buf = NULL;
}
is->first = is->rq + NUM_RCV_BUFFS - 1; /* receive queue */
is->last = is->rq;
is->slcomp = NULL;
#endif
#ifdef CONFIG_IPPP_FILTER
- if (is->pass_filter) {
- kfree(is->pass_filter);
- is->pass_filter = NULL;
- }
- if (is->active_filter) {
- kfree(is->active_filter);
- is->active_filter = NULL;
- }
+ kfree(is->pass_filter);
+ is->pass_filter = NULL;
+ kfree(is->active_filter);
+ is->active_filter = NULL;
#endif
/* TODO: if this was the previous master: link the stuff to the new master */
kfree(ippp_table[i]);
#ifdef CONFIG_ISDN_MPP
- if (isdn_ppp_bundle_arr)
- kfree(isdn_ppp_bundle_arr);
+ kfree(isdn_ppp_bundle_arr);
#endif /* CONFIG_ISDN_MPP */
}
#endif
info->emu.vpar[4] = 0;
info->emu.vpar[5] = 8;
- if (info->dtmf_state) {
- kfree(info->dtmf_state);
- info->dtmf_state = NULL;
- }
- if (info->silence_state) {
- kfree(info->silence_state);
- info->silence_state = NULL;
- }
- if (info->adpcms) {
- kfree(info->adpcms);
- info->adpcms = NULL;
- }
- if (info->adpcmr) {
- kfree(info->adpcmr);
- info->adpcmr = NULL;
- }
+ kfree(info->dtmf_state);
+ info->dtmf_state = NULL;
+ kfree(info->silence_state);
+ info->silence_state = NULL;
+ kfree(info->adpcms);
+ info->adpcms = NULL;
+ kfree(info->adpcmr);
+ info->adpcmr = NULL;
#endif
if ((info->msr & UART_MSR_RI) &&
(info->emu.mdmreg[REG_RUNG] & BIT_RUNG))
else
pcbit_fsm_event(dev, chan, EV_USR_RELEASE_REQ, NULL);
- if (cbdata.data.setup.CalledPN)
- kfree(cbdata.data.setup.CalledPN);
- if (cbdata.data.setup.CallingPN)
- kfree(cbdata.data.setup.CallingPN);
+ kfree(cbdata.data.setup.CalledPN);
+ kfree(cbdata.data.setup.CallingPN);
break;
case MSG_CONN_CONF: