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isdn/gigaset: elliminate unnecessary argument from send_cb()

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No need to pass a member of the cardstate structure as a separate
argument if the entire structure is already passed.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2014-12-10 13:41:55 +01:00 committed by David S. Miller
parent f650dd2805
commit f99a6fde9a
1 changed files with 15 additions and 16 deletions
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31
drivers/isdn/gigaset/usb-gigaset.c
View file

@ -293,7 +293,7 @@ static int gigaset_close_bchannel(struct bc_state *bcs)
}
static int write_modem(struct cardstate *cs);
static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb);
static int send_cb(struct cardstate *cs);
/* Write tasklet handler: Continue sending current skb, or send command, or
@ -303,7 +303,6 @@ static void gigaset_modem_fill(unsigned long data)
{
struct cardstate *cs = (struct cardstate *) data;
struct bc_state *bcs = &cs->bcs[0]; /* only one channel */
struct cmdbuf_t *cb;
gig_dbg(DEBUG_OUTPUT, "modem_fill");
@ -314,10 +313,9 @@ static void gigaset_modem_fill(unsigned long data)
again:
if (!bcs->tx_skb) { /* no skb is being sent */
cb = cs->cmdbuf;
if (cb) { /* commands to send? */
if (cs->cmdbuf) { /* commands to send? */
gig_dbg(DEBUG_OUTPUT, "modem_fill: cb");
if (send_cb(cs, cb) < 0) {
if (send_cb(cs) < 0) {
gig_dbg(DEBUG_OUTPUT,
"modem_fill: send_cb failed");
goto again; /* no callback will be called! */
@ -425,9 +423,9 @@ static void gigaset_write_bulk_callback(struct urb *urb)
spin_unlock_irqrestore(&cs->lock, flags);
}
static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
static int send_cb(struct cardstate *cs)
{
struct cmdbuf_t *tcb;
struct cmdbuf_t *cb = cs->cmdbuf;
unsigned long flags;
int count;
int status = -ENOENT;
@ -435,26 +433,27 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
do {
if (!cb->len) {
tcb = cb;
spin_lock_irqsave(&cs->cmdlock, flags);
cs->cmdbytes -= cs->curlen;
gig_dbg(DEBUG_OUTPUT, "send_cb: sent %u bytes, %u left",
cs->curlen, cs->cmdbytes);
cs->cmdbuf = cb = cb->next;
if (cb) {
cb->prev = NULL;
cs->curlen = cb->len;
cs->cmdbuf = cb->next;
if (cs->cmdbuf) {
cs->cmdbuf->prev = NULL;
cs->curlen = cs->cmdbuf->len;
} else {
cs->lastcmdbuf = NULL;
cs->curlen = 0;
}
spin_unlock_irqrestore(&cs->cmdlock, flags);
if (tcb->wake_tasklet)
tasklet_schedule(tcb->wake_tasklet);
kfree(tcb);
if (cb->wake_tasklet)
tasklet_schedule(cb->wake_tasklet);
kfree(cb);
cb = cs->cmdbuf;
}
if (cb) {
count = min(cb->len, ucs->bulk_out_size);
gig_dbg(DEBUG_OUTPUT, "send_cb: send %d bytes", count);