diff options
Diffstat (limited to 'drivers/media/video/gspca/sq905c.c')
| -rw-r--r-- | drivers/media/video/gspca/sq905c.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/media/video/gspca/sq905c.c b/drivers/media/video/gspca/sq905c.c index 916892505432..d70b156872d6 100644 --- a/drivers/media/video/gspca/sq905c.c +++ b/drivers/media/video/gspca/sq905c.c @@ -115,11 +115,9 @@ static void sq905c_dostream(struct work_struct *work) { struct sd *dev = container_of(work, struct sd, work_struct); struct gspca_dev *gspca_dev = &dev->gspca_dev; - struct gspca_frame *frame; int bytes_left; /* bytes remaining in current frame. */ int data_len; /* size to use for the next read. */ int act_len; - int discarding = 0; /* true if we failed to get space for frame. */ int packet_type; int ret; u8 *buffer; @@ -131,8 +129,6 @@ static void sq905c_dostream(struct work_struct *work) } while (gspca_dev->present && gspca_dev->streaming) { - if (!gspca_dev->present) - goto quit_stream; /* Request the header, which tells the size to download */ ret = usb_bulk_msg(gspca_dev->dev, usb_rcvbulkpipe(gspca_dev->dev, 0x81), @@ -149,17 +145,11 @@ static void sq905c_dostream(struct work_struct *work) PDEBUG(D_STREAM, "bytes_left = 0x%x", bytes_left); /* We keep the header. It has other information, too. */ packet_type = FIRST_PACKET; - frame = gspca_get_i_frame(gspca_dev); - if (frame && !discarding) { - gspca_frame_add(gspca_dev, packet_type, - frame, buffer, FRAME_HEADER_LEN); - } else - discarding = 1; - while (bytes_left > 0) { + gspca_frame_add(gspca_dev, packet_type, + buffer, FRAME_HEADER_LEN); + while (bytes_left > 0 && gspca_dev->present) { data_len = bytes_left > SQ905C_MAX_TRANSFER ? SQ905C_MAX_TRANSFER : bytes_left; - if (!gspca_dev->present) - goto quit_stream; ret = usb_bulk_msg(gspca_dev->dev, usb_rcvbulkpipe(gspca_dev->dev, 0x81), buffer, data_len, &act_len, @@ -174,19 +164,16 @@ static void sq905c_dostream(struct work_struct *work) packet_type = LAST_PACKET; else packet_type = INTER_PACKET; - frame = gspca_get_i_frame(gspca_dev); - if (frame && !discarding) - gspca_frame_add(gspca_dev, packet_type, - frame, buffer, data_len); - else - discarding = 1; + gspca_frame_add(gspca_dev, packet_type, + buffer, data_len); } } quit_stream: - mutex_lock(&gspca_dev->usb_lock); - if (gspca_dev->present) + if (gspca_dev->present) { + mutex_lock(&gspca_dev->usb_lock); sq905c_command(gspca_dev, SQ905C_CLEAR, 0); - mutex_unlock(&gspca_dev->usb_lock); + mutex_unlock(&gspca_dev->usb_lock); + } kfree(buffer); } |