diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/line6/dumprequest.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/staging/line6/dumprequest.c b/drivers/staging/line6/dumprequest.c index 89bc0994d07..decbaa971b6 100644 --- a/drivers/staging/line6/dumprequest.c +++ b/drivers/staging/line6/dumprequest.c @@ -42,13 +42,15 @@ void line6_dump_finished(struct line6_dump_request *l6dr) /* Send an asynchronous channel dump request. */ -int line6_dump_request_async(struct line6_dump_request *l6dr, struct usb_line6 *line6, int num) +int line6_dump_request_async(struct line6_dump_request *l6dr, + struct usb_line6 *line6, int num) { int ret; line6_invalidate_current(l6dr); - ret = line6_send_raw_message_async(line6, l6dr->reqbufs[num].buffer, l6dr->reqbufs[num].length); + ret = line6_send_raw_message_async(line6, l6dr->reqbufs[num].buffer, + l6dr->reqbufs[num].length); - if(ret < 0) + if (ret < 0) line6_dump_finished(l6dr); return ret; @@ -58,7 +60,7 @@ int line6_dump_request_async(struct line6_dump_request *l6dr, struct usb_line6 * Send an asynchronous dump request after a given interval. */ void line6_startup_delayed(struct line6_dump_request *l6dr, int seconds, - void (*function)(unsigned long), void *data) + void (*function)(unsigned long), void *data) { l6dr->timer.expires = jiffies + seconds * HZ; l6dr->timer.function = function; @@ -76,17 +78,16 @@ int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock) add_wait_queue(&l6dr->wait, &wait); current->state = TASK_INTERRUPTIBLE; - while(l6dr->in_progress) { - if(nonblock) { + while (l6dr->in_progress) { + if (nonblock) { retval = -EAGAIN; break; } - if(signal_pending(current)) { + if (signal_pending(current)) { retval = -ERESTARTSYS; break; - } - else + } else schedule(); } @@ -98,10 +99,12 @@ int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock) /* Initialize dump request buffer. */ -int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, const void *buf, size_t len, int num) +int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, const void *buf, + size_t len, int num) { l6dr->reqbufs[num].buffer = kmalloc(len, GFP_KERNEL); - if(l6dr->reqbufs[num].buffer == NULL) return -ENOMEM; + if (l6dr->reqbufs[num].buffer == NULL) + return -ENOMEM; memcpy(l6dr->reqbufs[num].buffer, buf, len); l6dr->reqbufs[num].length = len; return 0; @@ -110,11 +113,13 @@ int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, const void *buf, size /* Initialize dump request data structure (including one buffer). */ -int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf, size_t len) +int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf, + size_t len) { int ret; ret = line6_dumpreq_initbuf(l6dr, buf, len, 0); - if(ret < 0) return ret; + if (ret < 0) + return ret; init_waitqueue_head(&l6dr->wait); init_timer(&l6dr->timer); return 0; @@ -125,8 +130,10 @@ int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf, size_t */ void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num) { - if(l6dr == NULL) return; - if(l6dr->reqbufs[num].buffer == NULL) return; + if (l6dr == NULL) + return; + if (l6dr->reqbufs[num].buffer == NULL) + return; kfree(l6dr->reqbufs[num].buffer); l6dr->reqbufs[num].buffer = NULL; } @@ -136,7 +143,8 @@ void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num) */ void line6_dumpreq_destruct(struct line6_dump_request *l6dr) { - if(l6dr->reqbufs[0].buffer == NULL) return; + if (l6dr->reqbufs[0].buffer == NULL) + return; line6_dumpreq_destructbuf(l6dr, 0); l6dr->ok = 1; del_timer_sync(&l6dr->timer); |