Patch taken from http://kernellabs.com/hg/~dheitmueller/v4l-dvb-as102-2/ Original source and comment: # HG changeset patch # User Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> # Date 1267318867 18000 # Node ID 152825226bec049f947a844bea2c530fc9269ae5 # Parent 5916edd6739e9b8e02ff8a1e93161c4d23b50b3e as102: checkpatch fixes From: Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> Fix make checkpatch issues reported against as102_usb_drv.c. Priority: normal Signed-off-by: Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> Signed-off-by: Piotr Chmura <chmooreck@xxxxxxxxxxxxxx> diff --git linux/drivers/staging/media/as102/as102_usb_drv.c linuxb/drivers/media/dvb/as102/as102_usb_drv.c --- linux/drivers/staging/media/as102/as102_usb_drv.c +++ linuxb/drivers/staging/media/as102/as102_usb_drv.c @@ -1,6 +1,7 @@ /* * Abilis Systems Single DVB-T Receiver * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@xxxxxxxxxx> + * Copyright (C) 2010 Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -49,7 +50,7 @@ .id_table = as102_usb_id_table }; -struct file_operations as102_dev_fops = { +static const struct file_operations as102_dev_fops = { .owner = THIS_MODULE, .open = as102_open, .release = as102_release, @@ -63,46 +64,48 @@ static int as102_usb_xfer_cmd(struct as102_bus_adapter_t *bus_adap, unsigned char *send_buf, int send_buf_len, - unsigned char *recv_buf, int recv_buf_len) { - + unsigned char *recv_buf, int recv_buf_len) +{ int ret = 0; ENTER(); - if(send_buf != NULL) { + if (send_buf != NULL) { ret = usb_control_msg(bus_adap->usb_dev, usb_sndctrlpipe(bus_adap->usb_dev, 0), AS102_USB_DEVICE_TX_CTRL_CMD, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, bus_adap->cmd_xid, /* value */ 0, /* index */ send_buf, send_buf_len, USB_CTRL_SET_TIMEOUT /* 200 */); - if(ret < 0) { + if (ret < 0) { dprintk(debug, "usb_control_msg(send) failed, err %i\n", ret); return ret; } - if(ret != send_buf_len) { + if (ret != send_buf_len) { dprintk(debug, "only wrote %d of %d bytes\n", ret, send_buf_len); return -1; } } - if(recv_buf != NULL) { + if (recv_buf != NULL) { #ifdef TRACE dprintk(debug, "want to read: %d bytes\n", recv_buf_len); #endif ret = usb_control_msg(bus_adap->usb_dev, usb_rcvctrlpipe(bus_adap->usb_dev, 0), AS102_USB_DEVICE_RX_CTRL_CMD, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + USB_DIR_IN | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, bus_adap->cmd_xid, /* value */ 0, /* index */ recv_buf, recv_buf_len, USB_CTRL_GET_TIMEOUT /* 200 */); - if(ret < 0) { + if (ret < 0) { dprintk(debug, "usb_control_msg(recv) failed, err %i\n", ret); return ret; @@ -119,18 +122,19 @@ static int as102_send_ep1(struct as102_bus_adapter_t *bus_adap, unsigned char *send_buf, int send_buf_len, - int swap32) { - + int swap32) +{ int ret = 0, actual_len; - ret = usb_bulk_msg(bus_adap->usb_dev, usb_sndbulkpipe(bus_adap->usb_dev, 1), + ret = usb_bulk_msg(bus_adap->usb_dev, + usb_sndbulkpipe(bus_adap->usb_dev, 1), send_buf, send_buf_len, &actual_len, 200); - if(ret) { + if (ret) { dprintk(debug, "usb_bulk_msg(send) failed, err %i\n", ret); return ret; } - if(actual_len != send_buf_len) { + if (actual_len != send_buf_len) { dprintk(debug, "only wrote %d of %d bytes\n", actual_len, send_buf_len); return -1; @@ -139,21 +143,22 @@ } static int as102_read_ep2(struct as102_bus_adapter_t *bus_adap, - unsigned char *recv_buf, int recv_buf_len) { - + unsigned char *recv_buf, int recv_buf_len) +{ int ret = 0, actual_len; - if(recv_buf == NULL) + if (recv_buf == NULL) return -EINVAL; - ret = usb_bulk_msg(bus_adap->usb_dev, usb_rcvbulkpipe(bus_adap->usb_dev, 2), + ret = usb_bulk_msg(bus_adap->usb_dev, + usb_rcvbulkpipe(bus_adap->usb_dev, 2), recv_buf, recv_buf_len, &actual_len, 200); - if(ret) { + if (ret) { dprintk(debug, "usb_bulk_msg(recv) failed, err %i\n", ret); return ret; } - if(actual_len != recv_buf_len) { + if (actual_len != recv_buf_len) { dprintk(debug, "only read %d of %d bytes\n", actual_len, recv_buf_len); return -1; @@ -169,7 +174,8 @@ .stop_stream = as102_usb_stop_stream, }; -static int as102_submit_urb_stream(struct as102_dev_t *dev, struct urb *urb) { +static int as102_submit_urb_stream(struct as102_dev_t *dev, struct urb *urb) +{ int err; usb_fill_bulk_urb(urb, @@ -180,8 +186,9 @@ as102_urb_stream_irq, dev); - if ((err = usb_submit_urb(urb, GFP_ATOMIC))) - dprintk(debug, "%s: usb_submit_urb failed\n", __FUNCTION__); + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err) + dprintk(debug, "%s: usb_submit_urb failed\n", __func__); return err; } @@ -203,7 +210,7 @@ /* do nothing ? */ #endif } else { - if(urb->actual_length == 0) + if (urb->actual_length == 0) memset(urb->transfer_buffer, 0, AS102_USB_BUF_SIZE); } @@ -212,7 +219,8 @@ as102_submit_urb_stream(as102_dev, urb); } -static void as102_free_usb_stream_buffer(struct as102_dev_t *dev) { +static void as102_free_usb_stream_buffer(struct as102_dev_t *dev) +{ int i; ENTER(); @@ -227,7 +235,8 @@ LEAVE(); } -static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) { +static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) +{ int i, ret = 0; ENTER(); @@ -237,7 +246,7 @@ GFP_KERNEL, &dev->dma_addr); if (!dev->stream) { - dprintk(debug, "%s: usb_buffer_alloc failed\n", __FUNCTION__); + dprintk(debug, "%s: usb_buffer_alloc failed\n", __func__); return -ENOMEM; } @@ -247,8 +256,9 @@ for (i = 0; i < MAX_STREAM_URB; i++) { struct urb *urb; - if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) { - dprintk(debug, "%s: usb_alloc_urb failed\n", __FUNCTION__); + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (urb == NULL) { + dprintk(debug, "%s: usb_alloc_urb failed\n", __func__); as102_free_usb_stream_buffer(dev); return -ENOMEM; } @@ -262,18 +272,21 @@ return ret; } -static void as102_usb_stop_stream(struct as102_dev_t *dev) { +static void as102_usb_stop_stream(struct as102_dev_t *dev) +{ int i; for (i = 0; i < MAX_STREAM_URB; i++) usb_kill_urb(dev->stream_urb[i]); } -static int as102_usb_start_stream(struct as102_dev_t *dev) { +static int as102_usb_start_stream(struct as102_dev_t *dev) +{ int i, ret = 0; for (i = 0; i < MAX_STREAM_URB; i++) { - if ((ret = as102_submit_urb_stream(dev, dev->stream_urb[i]))) { + ret = as102_submit_urb_stream(dev, dev->stream_urb[i]); + if (ret) { as102_usb_stop_stream(dev); return ret; } @@ -282,7 +295,8 @@ return 0; } -static void as102_usb_release(struct kref *kref) { +static void as102_usb_release(struct kref *kref) +{ struct as102_dev_t *as102_dev; ENTER(); @@ -296,7 +310,8 @@ LEAVE(); } -static void as102_usb_disconnect(struct usb_interface *intf) { +static void as102_usb_disconnect(struct usb_interface *intf) +{ struct as102_dev_t *as102_dev; ENTER(); @@ -324,14 +339,16 @@ } static int as102_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id) { + const struct usb_device_id *id) +{ int ret; struct as102_dev_t *as102_dev; ENTER(); - if(!(as102_dev = kzalloc(sizeof(struct as102_dev_t), GFP_KERNEL))) { - err("%s: kzalloc failed", __FUNCTION__); + as102_dev = kzalloc(sizeof(struct as102_dev_t), GFP_KERNEL); + if (as102_dev == NULL) { + err("%s: kzalloc failed", __func__); return -ENOMEM; } @@ -352,17 +369,19 @@ as102_dev->bus_adap.usb_dev = usb_get_dev(interface_to_usbdev(intf)); /* we can register the device now, as it is ready */ - if((ret = usb_register_dev(intf, &as102_usb_class_driver)) < 0) {; + ret = usb_register_dev(intf, &as102_usb_class_driver); + if (ret < 0) { /* something prevented us from registering this driver */ err("%s: usb_register_dev() failed (errno = %d)", - __FUNCTION__, ret); + __func__, ret); goto failed; } printk(KERN_INFO "%s: device has been detected\n", DRIVER_NAME); /* request buffer allocation for streaming */ - if ((ret = as102_alloc_usb_stream_buffer(as102_dev)) != 0) + ret = as102_alloc_usb_stream_buffer(as102_dev); + if (ret != 0) goto failed; /* register dvb layer */ @@ -377,7 +396,8 @@ return ret; } -static int as102_open(struct inode *inode, struct file *file) { +static int as102_open(struct inode *inode, struct file *file) +{ int ret = 0, minor = 0; struct usb_interface *intf = NULL; struct as102_dev_t *dev = NULL; @@ -388,15 +408,17 @@ minor = iminor(inode); /* fetch device from usb interface */ - if((intf = usb_find_interface(&as102_usb_driver, minor)) == NULL) { + intf = usb_find_interface(&as102_usb_driver, minor); + if (intf == NULL) { printk(KERN_ERR "%s: can't find device for minor %d\n", - __FUNCTION__, minor); + __func__, minor); ret = -ENODEV; goto exit; } /* get our device */ - if((dev = usb_get_intfdata(intf)) == NULL) { + dev = usb_get_intfdata(intf); + if (dev == NULL) { ret = -EFAULT; goto exit; } @@ -412,13 +434,15 @@ return ret; } -static int as102_release(struct inode *inode, struct file *file) { +static int as102_release(struct inode *inode, struct file *file) +{ int ret = 0; struct as102_dev_t *dev = NULL; ENTER(); - if((dev = file->private_data) != NULL ) { + dev = file->private_data; + if (dev != NULL) { /* decrement the count on our device */ kref_put(&dev->kref, as102_usb_release); } diff --git linux/drivers/staging/media/as102/as102_usb_drv.h linuxb/drivers/media/dvb/as102/as102_usb_drv.h --- linux/drivers/staging/media/as102/as102_usb_drv.h +++ linuxb/drivers/staging/media/as102/as102_usb_drv.h @@ -1,6 +1,7 @@ /* * Abilis Systems Single DVB-T Receiver * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@xxxxxxxxxx> + * Copyright (C) 2010 Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -35,8 +36,6 @@ #define PCTV_74E_USB_VID 0x2013 #define PCTV_74E_USB_PID 0x0246 -extern struct file_operations as102_dev_fops; - #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18)) void as102_urb_stream_irq(struct urb *urb, struct pt_regs *regs); #else -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
