Signed-off-by: Adrian Nicoara <anico...@uwaterloo.ca>
---
Patch submitted as part of the Eudyptula challenge.
drivers/staging/ozwpan/ozcdev.c | 5 +++++
drivers/staging/ozwpan/ozeltbuf.c | 1 +
drivers/staging/ozwpan/ozpd.c | 6 ++++++
drivers/staging/ozwpan/ozproto.c | 4 ++++
drivers/staging/ozwpan/ozusbsvc.c | 2 ++
drivers/staging/ozwpan/ozusbsvc1.c | 4 ++++
6 files changed, 22 insertions(+)
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index c73d396..da0e1fd 100644
--- a/drivers/staging/ozwpan/ozcdev.c
+++ b/drivers/staging/ozwpan/ozcdev.c
@@ -263,6 +263,7 @@ static long oz_cdev_ioctl(struct file *filp, unsigned int
cmd,
switch (cmd) {
case OZ_IOCTL_GET_PD_LIST: {
struct oz_pd_list list;
+
oz_dbg(ON, "OZ_IOCTL_GET_PD_LIST\n");
memset(&list, 0, sizeof(list));
list.count = oz_get_pd_list(list.addr, OZ_MAX_PDS);
@@ -273,6 +274,7 @@ static long oz_cdev_ioctl(struct file *filp, unsigned int
cmd,
break;
case OZ_IOCTL_SET_ACTIVE_PD: {
u8 addr[ETH_ALEN];
+
oz_dbg(ON, "OZ_IOCTL_SET_ACTIVE_PD\n");
if (copy_from_user(addr, (void __user *)arg, ETH_ALEN))
return -EFAULT;
@@ -281,6 +283,7 @@ static long oz_cdev_ioctl(struct file *filp, unsigned int
cmd,
break;
case OZ_IOCTL_GET_ACTIVE_PD: {
u8 addr[ETH_ALEN];
+
oz_dbg(ON, "OZ_IOCTL_GET_ACTIVE_PD\n");
spin_lock_bh(&g_cdev.lock);
ether_addr_copy(addr, g_cdev.active_addr);
@@ -292,6 +295,7 @@ static long oz_cdev_ioctl(struct file *filp, unsigned int
cmd,
case OZ_IOCTL_ADD_BINDING:
case OZ_IOCTL_REMOVE_BINDING: {
struct oz_binding_info b;
+
if (copy_from_user(&b, (void __user *)arg,
sizeof(struct oz_binding_info))) {
return -EFAULT;
@@ -320,6 +324,7 @@ static unsigned int oz_cdev_poll(struct file *filp,
poll_table *wait)
spin_lock_bh(&dev->lock);
if (dev->active_pd) {
struct oz_serial_ctx *ctx = oz_cdev_claim_ctx(dev->active_pd);
+
if (ctx) {
if (ctx->rd_in != ctx->rd_out)
ret |= POLLIN | POLLRDNORM;
diff --git a/drivers/staging/ozwpan/ozeltbuf.c
b/drivers/staging/ozwpan/ozeltbuf.c
index 400cc75..01b25da 100644
--- a/drivers/staging/ozwpan/ozeltbuf.c
+++ b/drivers/staging/ozwpan/ozeltbuf.c
@@ -174,6 +174,7 @@ int oz_queue_elt_info(struct oz_elt_buf *buf, u8 isoc, u8
id,
== OZ_USB_ENDPOINT_DATA) &&
(body->format == OZ_DATA_F_ISOC_FIXED)) {
u8 unit_count = body->frame_number;
+
body->frame_number = st->frame_number;
st->frame_number += unit_count;
}
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c
index 7726410..26c1049 100644
--- a/drivers/staging/ozwpan/ozpd.c
+++ b/drivers/staging/ozwpan/ozpd.c
@@ -106,6 +106,7 @@ struct oz_pd *oz_pd_alloc(const u8 *mac_addr)
if (pd) {
int i;
+
atomic_set(&pd->ref_count, 2);
for (i = 0; i < OZ_NB_APPS; i++)
spin_lock_init(&pd->app_lock[i]);
@@ -153,6 +154,7 @@ static void oz_pd_free(struct work_struct *work)
list_for_each_safe(e, n, &pd->tx_queue) {
struct oz_tx_frame *f = list_entry(e, struct oz_tx_frame, link);
+
if (f->skb != NULL)
kfree_skb(f->skb);
oz_retire_frame(pd, f);
@@ -249,6 +251,7 @@ void oz_pd_heartbeat(struct oz_pd *pd, u16 apps)
hrtimer_cancel(&pd->heartbeat);
if (pd->mode & OZ_F_ISOC_ANYTIME) {
int count = 8;
+
while (count-- && (oz_send_isoc_frame(pd) >= 0))
;
}
@@ -752,6 +755,7 @@ int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, const u8
*data, int len)
} else {
struct oz_hdr oz;
struct oz_isoc_large iso;
+
spin_lock_bh(&pd->stream_lock);
iso.frame_number = st->frame_num;
st->frame_num += nb_units;
@@ -774,8 +778,10 @@ int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, const
u8 *data, int len)
if (!(pd->mode & OZ_F_ISOC_ANYTIME)) {
struct oz_tx_frame *isoc_unit = NULL;
int nb = pd->nb_queued_isoc_frames;
+
if (nb >= pd->isoc_latency) {
struct oz_tx_frame *f;
+
oz_dbg(TX_FRAMES, "Dropping ISOC Unit nb= %d\n",
nb);
spin_lock(&pd->tx_frame_lock);
diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c
index af3da3e..cae0e6f 100644
--- a/drivers/staging/ozwpan/ozproto.c
+++ b/drivers/staging/ozwpan/ozproto.c
@@ -179,6 +179,7 @@ static struct oz_pd *oz_connect_req(struct oz_pd *cur_pd,
struct oz_elt *elt,
} else {
struct oz_pd *pd2 = NULL;
struct list_head *e;
+
pd = oz_pd_alloc(pd_addr);
if (pd == NULL)
return NULL;
@@ -262,6 +263,7 @@ done:
u16 start_apps = new_apps & ~pd->total_apps & ~0x1;
u16 stop_apps = pd->total_apps & ~new_apps & ~0x1;
u16 resume_apps = new_apps & pd->paused_apps & ~0x1;
+
spin_unlock_bh(&g_polling_lock);
oz_pd_set_state(pd, OZ_PD_S_CONNECTED);
oz_dbg(ON, "new_apps=0x%x total_apps=0x%x paused_apps=0x%x\n",
@@ -383,6 +385,7 @@ static void oz_rx_frame(struct sk_buff *skb)
if ((oz_hdr->control & OZ_F_ACK_REQUESTED) &&
(pd->state == OZ_PD_S_CONNECTED)) {
int backlog = pd->nb_queued_frames;
+
pd->trigger_pkt_num = pkt_num;
/* Send queued frames */
oz_send_queued_frames(pd, backlog);
@@ -781,6 +784,7 @@ int oz_protocol_init(char *devs)
oz_binding_add(NULL);
} else {
char d[32];
+
while (*devs) {
devs = oz_get_next_device_name(devs, d, sizeof(d));
if (d[0])
diff --git a/drivers/staging/ozwpan/ozusbsvc.c
b/drivers/staging/ozwpan/ozusbsvc.c
index db4a387..bf15dc3 100644
--- a/drivers/staging/ozwpan/ozusbsvc.c
+++ b/drivers/staging/ozwpan/ozusbsvc.c
@@ -128,6 +128,7 @@ void oz_usb_stop(struct oz_pd *pd, int pause)
spin_unlock_bh(&pd->app_lock[OZ_APPID_USB]);
if (usb_ctx) {
struct timespec ts, now;
+
getnstimeofday(&ts);
oz_dbg(ON, "USB service stopping...\n");
usb_ctx->stopped = 1;
@@ -235,6 +236,7 @@ int oz_usb_stream_delete(void *hpd, u8 ep_num)
if (usb_ctx) {
struct oz_pd *pd = usb_ctx->pd;
+
if (pd) {
oz_dbg(ON, "%s: (0x%x)\n", __func__, ep_num);
if (pd->mode & OZ_F_ISOC_NO_ELTS) {
diff --git a/drivers/staging/ozwpan/ozusbsvc1.c
b/drivers/staging/ozwpan/ozusbsvc1.c
index 12bb236..be7ee01 100644
--- a/drivers/staging/ozwpan/ozusbsvc1.c
+++ b/drivers/staging/ozwpan/ozusbsvc1.c
@@ -213,6 +213,7 @@ int oz_usb_control_req(void *hpd, u8 req_id, struct
usb_ctrlrequest *setup,
case USB_REQ_SET_INTERFACE: {
u8 if_num = (u8)windex;
u8 alt = (u8)wvalue;
+
rc = oz_usb_set_interface_req(hpd, req_id,
if_num, alt);
}
@@ -254,6 +255,7 @@ int oz_usb_send_isoc(void *hpd, u8 ep_num, struct urb *urb)
if (pd->mode & OZ_F_ISOC_NO_ELTS) {
for (i = 0; i < urb->number_of_packets; i++) {
u8 *data;
+
desc = &urb->iso_frame_desc[i];
data = ((u8 *)urb->transfer_buffer)+desc->offset;
oz_send_isoc_unit(pd, ep_num, data, desc->length);
@@ -271,6 +273,7 @@ int oz_usb_send_isoc(void *hpd, u8 ep_num, struct urb *urb)
int unit_count;
int unit_size;
int rem;
+
if (ei == NULL)
return -1;
rem = MAX_ISOC_FIXED_DATA;
@@ -340,6 +343,7 @@ static void oz_usb_handle_ep_data(struct oz_usb_ctx
*usb_ctx,
u8 *data = body->data;
int count;
int i;
+
if (!unit_size)
break;
count = data_len/unit_size;
--
2.0.1
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
