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path: root/drivers/ieee1394/raw1394.c
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Diffstat (limited to 'drivers/ieee1394/raw1394.c')
-rw-r--r--drivers/ieee1394/raw1394.c65
1 files changed, 34 insertions, 31 deletions
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 858fd9ba014304..94a3b6db589ca5 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -587,7 +587,7 @@ static int state_opened(struct file_info *fi, struct pending_request *req)
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
static int state_initialized(struct file_info *fi, struct pending_request *req)
@@ -601,7 +601,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
req->req.generation = atomic_read(&internal_generation);
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
switch (req->req.type) {
@@ -673,7 +673,7 @@ out_set_card:
}
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
static void handle_iso_listen(struct file_info *fi, struct pending_request *req)
@@ -865,7 +865,7 @@ static int handle_async_request(struct file_info *fi,
if (req->req.error) {
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
hpsb_set_packet_complete_task(packet,
@@ -883,7 +883,7 @@ static int handle_async_request(struct file_info *fi,
hpsb_free_tlabel(packet);
queue_complete_req(req);
}
- return sizeof(struct raw1394_request);
+ return 0;
}
static int handle_iso_send(struct file_info *fi, struct pending_request *req,
@@ -907,7 +907,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
req->req.error = RAW1394_ERROR_MEMFAULT;
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
req->req.length = 0;
@@ -927,7 +927,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
queue_complete_req(req);
}
- return sizeof(struct raw1394_request);
+ return 0;
}
static int handle_async_send(struct file_info *fi, struct pending_request *req)
@@ -943,7 +943,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
req->req.error = RAW1394_ERROR_INVALID_ARG;
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
data_size = req->req.length - header_length;
@@ -957,7 +957,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
req->req.error = RAW1394_ERROR_MEMFAULT;
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
if (copy_from_user
@@ -966,7 +966,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
req->req.error = RAW1394_ERROR_MEMFAULT;
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
packet->type = hpsb_async;
@@ -994,7 +994,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
queue_complete_req(req);
}
- return sizeof(struct raw1394_request);
+ return 0;
}
static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
@@ -1869,7 +1869,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
spin_lock_irqsave(&host_info_lock, flags);
list_add_tail(&addr->addr_list, &fi->addr_list);
spin_unlock_irqrestore(&host_info_lock, flags);
- return sizeof(struct raw1394_request);
+ return 0;
}
retval =
hpsb_register_addrspace(&raw1394_highlevel, fi->host, &arm_ops,
@@ -1887,7 +1887,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
return (-EALREADY);
}
free_pending_request(req); /* immediate success or fail */
- return sizeof(struct raw1394_request);
+ return 0;
}
static int arm_unregister(struct file_info *fi, struct pending_request *req)
@@ -1955,7 +1955,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
vfree(addr->addr_space_buffer);
kfree(addr);
free_pending_request(req); /* immediate success or fail */
- return sizeof(struct raw1394_request);
+ return 0;
}
retval =
hpsb_unregister_addrspace(&raw1394_highlevel, fi->host,
@@ -1971,7 +1971,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
vfree(addr->addr_space_buffer);
kfree(addr);
free_pending_request(req); /* immediate success or fail */
- return sizeof(struct raw1394_request);
+ return 0;
}
/* Copy data from ARM buffer(s) to user buffer. */
@@ -2013,7 +2013,7 @@ static int arm_get_buf(struct file_info *fi, struct pending_request *req)
* queue no response, and therefore nobody
* will free it. */
free_pending_request(req);
- return sizeof(struct raw1394_request);
+ return 0;
} else {
DBGMSG("arm_get_buf request exceeded mapping");
spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2065,7 +2065,7 @@ static int arm_set_buf(struct file_info *fi, struct pending_request *req)
* queue no response, and therefore nobody
* will free it. */
free_pending_request(req);
- return sizeof(struct raw1394_request);
+ return 0;
} else {
DBGMSG("arm_set_buf request exceeded mapping");
spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2086,7 +2086,7 @@ static int reset_notification(struct file_info *fi, struct pending_request *req)
(req->req.misc == RAW1394_NOTIFY_ON)) {
fi->notification = (u8) req->req.misc;
free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
- return sizeof(struct raw1394_request);
+ return 0;
}
/* error EINVAL (22) invalid argument */
return (-EINVAL);
@@ -2119,12 +2119,12 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req)
req->req.length = 0;
queue_complete_req(req);
}
- return sizeof(struct raw1394_request);
+ return 0;
}
static int get_config_rom(struct file_info *fi, struct pending_request *req)
{
- int ret = sizeof(struct raw1394_request);
+ int ret = 0;
quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
int status;
@@ -2154,7 +2154,7 @@ static int get_config_rom(struct file_info *fi, struct pending_request *req)
static int update_config_rom(struct file_info *fi, struct pending_request *req)
{
- int ret = sizeof(struct raw1394_request);
+ int ret = 0;
quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -2221,7 +2221,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
hpsb_update_config_rom_image(fi->host);
free_pending_request(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
}
@@ -2286,7 +2286,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
/* we have to free the request, because we queue no response,
* and therefore nobody will free it */
free_pending_request(req);
- return sizeof(struct raw1394_request);
+ return 0;
} else {
for (dentry =
fi->csr1212_dirs[dr]->value.directory.dentries_head;
@@ -2311,7 +2311,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
case RAW1394_REQ_ECHO:
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
case RAW1394_REQ_ISO_SEND:
print_old_iso_deprecation();
@@ -2335,24 +2335,24 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
case RAW1394_REQ_ISO_LISTEN:
print_old_iso_deprecation();
handle_iso_listen(fi, req);
- return sizeof(struct raw1394_request);
+ return 0;
case RAW1394_REQ_FCP_LISTEN:
handle_fcp_listen(fi, req);
- return sizeof(struct raw1394_request);
+ return 0;
case RAW1394_REQ_RESET_BUS:
if (req->req.misc == RAW1394_LONG_RESET) {
DBGMSG("busreset called (type: LONG)");
hpsb_reset_bus(fi->host, LONG_RESET);
free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
- return sizeof(struct raw1394_request);
+ return 0;
}
if (req->req.misc == RAW1394_SHORT_RESET) {
DBGMSG("busreset called (type: SHORT)");
hpsb_reset_bus(fi->host, SHORT_RESET);
free_pending_request(req); /* we have to free the request, because we queue no response, and therefore nobody will free it */
- return sizeof(struct raw1394_request);
+ return 0;
}
/* error EINVAL (22) invalid argument */
return (-EINVAL);
@@ -2371,7 +2371,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
req->req.generation = get_hpsb_generation(fi->host);
req->req.length = 0;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
switch (req->req.type) {
@@ -2384,7 +2384,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
if (req->req.length == 0) {
req->req.error = RAW1394_ERROR_INVALID_ARG;
queue_complete_req(req);
- return sizeof(struct raw1394_request);
+ return 0;
}
return handle_async_request(fi, req, node);
@@ -2395,7 +2395,7 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
{
struct file_info *fi = (struct file_info *)file->private_data;
struct pending_request *req;
- ssize_t retval = 0;
+ ssize_t retval = -EBADFD;
#ifdef CONFIG_COMPAT
if (count == sizeof(struct compat_raw1394_req) &&
@@ -2437,6 +2437,9 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
if (retval < 0) {
free_pending_request(req);
+ } else {
+ BUG_ON(retval);
+ retval = count;
}
return retval;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-17 13:43:19 +0000