@@ -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);
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> --- drivers/isdn/gigaset/usb-gigaset.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-)