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Commit 8f90ef80 authored by Lidza Louina's avatar Lidza Louina Committed by Greg Kroah-Hartman
Browse files

staging: dgnc: removes parentheses around return statements 



This patch removes parentheses around return
statements. They aren't needed.

Signed-off-by: default avatarLidza Louina <lidza.louina@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 03425f55

drivers/staging/dgnc/dgnc_cls.c

+4 −4
Original line number Diff line number Diff line
@@ -976,17 +976,17 @@ static int cls_drain(struct tty_struct *tty, uint seconds) 
	int rc = 0;



	if (!tty || tty->magic != TTY_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	un = (struct un_t *) tty->driver_data;

	if (!un || un->magic != DGNC_UNIT_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	DGNC_LOCK(ch->ch_lock, lock_flags);
@@ -1002,7 +1002,7 @@ static int cls_drain(struct tty_struct *tty, uint seconds) 
	if (rc)

		DPR_IOCTL(("%d Drain - User ctrl c'ed\n", __LINE__));



        return (rc);

        return rc;

}

drivers/staging/dgnc/dgnc_driver.c

+53 −53
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ int dgnc_init_module(void) 
	rc = dgnc_start();



	if (rc < 0) {

		return(rc);

		return rc;

	}



	/*
@@ -250,7 +250,7 @@ int dgnc_init_module(void) 
	}



	DPR_INIT(("Finished init_module. Returning %d\n", rc));

	return (rc);

	return rc;

}
@@ -286,7 +286,7 @@ static int dgnc_start(void) 
			if (rc <= 0) {

				APR(("Can't register dgnc driver device (%d)\n", rc));

				rc = -ENXIO;

				return(rc);

				return rc;

			}

			dgnc_Major = rc;
@@ -311,7 +311,7 @@ static int dgnc_start(void) 


		if (rc < 0) {

			APR(("tty preinit - not enough memory (%d)\n", rc));

			return(rc);

			return rc;

		}



		/* Start the poller */
@@ -328,7 +328,7 @@ static int dgnc_start(void) 
		dgnc_driver_state = DRIVER_READY;

	}



	return(rc);

	return rc;

}



/*
@@ -502,7 +502,7 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) 
	(struct dgnc_board *) kzalloc(sizeof(struct dgnc_board), GFP_KERNEL);

	if (!brd) {

		APR(("memory allocation for board structure failed\n"));

		return(-ENOMEM);

		return -ENOMEM;

	}



	/* make a temporary message buffer for the boot messages */
@@ -511,7 +511,7 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) 
	if (!brd->msgbuf) {

		kfree(brd);

		APR(("memory allocation for board msgbuf failed\n"));

		return(-ENOMEM);

		return -ENOMEM;

	}



	/* store the info for the board we've found */
@@ -663,7 +663,7 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) 


	default:

		APR(("Did not find any compatible Neo or Classic PCI boards in system.\n"));

		return (-ENXIO);

		return -ENXIO;



	}
@@ -725,11 +725,11 @@ static int dgnc_found_board(struct pci_dev *pdev, int id) 


	wake_up_interruptible(&brd->state_wait);



	return(0);

	return 0;



failed:



	return (-ENXIO);

	return -ENXIO;



}
@@ -740,7 +740,7 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd) { 
	DPR_INIT(("dgnc_finalize_board_init() - start\n"));



	if (!brd || brd->magic != DGNC_BOARD_MAGIC)

		return(-ENODEV);

		return -ENODEV;



	DPR_INIT(("dgnc_finalize_board_init() - start #2\n"));
@@ -756,7 +756,7 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd) { 
			DPR_INIT(("Requested and received usage of IRQ %d\n", brd->irq));

		}

	}

	return(rc);

	return rc;

}



/*
@@ -900,7 +900,7 @@ int dgnc_ms_sleep(ulong ms) 
{

	current->state = TASK_INTERRUPTIBLE;

	schedule_timeout((ms * HZ) / 1000);

	return (signal_pending(current));

	return signal_pending(current);

}
@@ -912,47 +912,47 @@ char *dgnc_ioctl_name(int cmd) 
{

	switch(cmd) {



	case TCGETA:		return("TCGETA");

	case TCGETS:		return("TCGETS");

	case TCSETA:		return("TCSETA");

	case TCSETS:		return("TCSETS");

	case TCSETAW:		return("TCSETAW");

	case TCSETSW:		return("TCSETSW");

	case TCSETAF:		return("TCSETAF");

	case TCSETSF:		return("TCSETSF");

	case TCSBRK:		return("TCSBRK");

	case TCXONC:		return("TCXONC");

	case TCFLSH:		return("TCFLSH");

	case TIOCGSID:		return("TIOCGSID");



	case TIOCGETD:		return("TIOCGETD");

	case TIOCSETD:		return("TIOCSETD");

	case TIOCGWINSZ:	return("TIOCGWINSZ");

	case TIOCSWINSZ:	return("TIOCSWINSZ");



	case TIOCMGET:		return("TIOCMGET");

	case TIOCMSET:		return("TIOCMSET");

	case TIOCMBIS:		return("TIOCMBIS");

	case TIOCMBIC:		return("TIOCMBIC");

	case TCGETA:		return "TCGETA";

	case TCGETS:		return "TCGETS";

	case TCSETA:		return "TCSETA";

	case TCSETS:		return "TCSETS";

	case TCSETAW:		return "TCSETAW";

	case TCSETSW:		return "TCSETSW";

	case TCSETAF:		return "TCSETAF";

	case TCSETSF:		return "TCSETSF";

	case TCSBRK:		return "TCSBRK";

	case TCXONC:		return "TCXONC";

	case TCFLSH:		return "TCFLSH";

	case TIOCGSID:		return "TIOCGSID";



	case TIOCGETD:		return "TIOCGETD";

	case TIOCSETD:		return "TIOCSETD";

	case TIOCGWINSZ:	return "TIOCGWINSZ";

	case TIOCSWINSZ:	return "TIOCSWINSZ";



	case TIOCMGET:		return "TIOCMGET";

	case TIOCMSET:		return "TIOCMSET";

	case TIOCMBIS:		return "TIOCMBIS";

	case TIOCMBIC:		return "TIOCMBIC";



	/* from digi.h */

	case DIGI_SETA:		return("DIGI_SETA");

	case DIGI_SETAW:	return("DIGI_SETAW");

	case DIGI_SETAF:	return("DIGI_SETAF");

	case DIGI_SETFLOW:	return("DIGI_SETFLOW");

	case DIGI_SETAFLOW:	return("DIGI_SETAFLOW");

	case DIGI_GETFLOW:	return("DIGI_GETFLOW");

	case DIGI_GETAFLOW:	return("DIGI_GETAFLOW");

	case DIGI_GETA:		return("DIGI_GETA");

	case DIGI_GEDELAY:	return("DIGI_GEDELAY");

	case DIGI_SEDELAY:	return("DIGI_SEDELAY");

	case DIGI_GETCUSTOMBAUD: return("DIGI_GETCUSTOMBAUD");

	case DIGI_SETCUSTOMBAUD: return("DIGI_SETCUSTOMBAUD");

	case TIOCMODG:		return("TIOCMODG");

	case TIOCMODS:		return("TIOCMODS");

	case TIOCSDTR:		return("TIOCSDTR");

	case TIOCCDTR:		return("TIOCCDTR");



	default:		return("unknown");

	case DIGI_SETA:		return "DIGI_SETA";

	case DIGI_SETAW:	return "DIGI_SETAW";

	case DIGI_SETAF:	return "DIGI_SETAF";

	case DIGI_SETFLOW:	return "DIGI_SETFLOW";

	case DIGI_SETAFLOW:	return "DIGI_SETAFLOW";

	case DIGI_GETFLOW:	return "DIGI_GETFLOW";

	case DIGI_GETAFLOW:	return "DIGI_GETAFLOW";

	case DIGI_GETA:		return "DIGI_GETA";

	case DIGI_GEDELAY:	return "DIGI_GEDELAY";

	case DIGI_SEDELAY:	return "DIGI_SEDELAY";

	case DIGI_GETCUSTOMBAUD: return "DIGI_GETCUSTOMBAUD";

	case DIGI_SETCUSTOMBAUD: return "DIGI_SETCUSTOMBAUD";

	case TIOCMODG:		return "TIOCMODG";

	case TIOCMODS:		return "TIOCMODS";

	case TIOCSDTR:		return "TIOCSDTR";

	case TIOCCDTR:		return "TIOCCDTR";



	default:		return "unknown";

	}

}

drivers/staging/dgnc/dgnc_mgmt.c

+11 −11
Original line number Diff line number Diff line
@@ -74,13 +74,13 @@ int dgnc_mgmt_open(struct inode *inode, struct file *file) 
		/* Only allow 1 open at a time on mgmt device */

		if (dgnc_mgmt_in_use[minor]) {

			DGNC_UNLOCK(dgnc_global_lock, lock_flags);

			return (-EBUSY);

			return -EBUSY;

		}

		dgnc_mgmt_in_use[minor]++;

	}

	else {

		DGNC_UNLOCK(dgnc_global_lock, lock_flags);

		return (-ENXIO);

		return -ENXIO;

	}



	DGNC_UNLOCK(dgnc_global_lock, lock_flags);
@@ -154,7 +154,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
			ddi.dinfo_nboards, ddi.dinfo_version));



		if (copy_to_user(uarg, &ddi, sizeof (ddi)))

			return(-EFAULT);

			return -EFAULT;



		break;

	}
@@ -166,13 +166,13 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
		struct digi_info di;



		if (copy_from_user(&brd, uarg, sizeof(int))) {

			return(-EFAULT);

			return -EFAULT;

		}



		DPR_MGMT(("DIGI_GETBD asking about board: %d\n", brd));



		if ((brd < 0) || (brd > dgnc_NumBoards) || (dgnc_NumBoards == 0))

			return (-ENODEV);

			return -ENODEV;



		memset(&di, 0, sizeof(di));
@@ -196,7 +196,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
			di.info_bdtype, di.info_bdstate, di.info_nports, di.info_physsize));



		if (copy_to_user(uarg, &di, sizeof (di)))

			return (-EFAULT);

			return -EFAULT;



		break;

	}
@@ -210,7 +210,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
		uint channel = 0;



		if (copy_from_user(&ni, uarg, sizeof(struct ni_info))) {

			return(-EFAULT);

			return -EFAULT;

		}



		DPR_MGMT(("DIGI_GETBD asking about board: %d channel: %d\n",
@@ -221,16 +221,16 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 


		/* Verify boundaries on board */

		if ((board < 0) || (board > dgnc_NumBoards) || (dgnc_NumBoards == 0))

			return (-ENODEV);

			return -ENODEV;



		/* Verify boundaries on channel */

		if ((channel < 0) || (channel > dgnc_Board[board]->nasync))

			return (-ENODEV);

			return -ENODEV;



		ch = dgnc_Board[board]->channels[channel];



		if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

			return (-ENODEV);

			return -ENODEV;



		memset(&ni, 0, sizeof(ni));

		ni.board = board;
@@ -291,7 +291,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
		DGNC_UNLOCK(ch->ch_lock, lock_flags);



		if (copy_to_user(uarg, &ni, sizeof(ni)))

			return (-EFAULT);

			return -EFAULT;



		break;

	}

drivers/staging/dgnc/dgnc_neo.c

+4 −4
Original line number Diff line number Diff line
@@ -1404,17 +1404,17 @@ static int neo_drain(struct tty_struct *tty, uint seconds) 
	int rc = 0;



	if (!tty || tty->magic != TTY_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	un = (struct un_t *) tty->driver_data;

	if (!un || un->magic != DGNC_UNIT_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) {

		return (-ENXIO);

		return -ENXIO;

	}



	DPR_IOCTL(("%d Drain wait started.\n", __LINE__));
@@ -1439,7 +1439,7 @@ static int neo_drain(struct tty_struct *tty, uint seconds) 
		DPR_IOCTL(("%d Drain wait finished.\n", __LINE__));

	}



	return (rc);

	return rc;

}

drivers/staging/dgnc/dgnc_sysfs.c

+58 −58
Original line number Diff line number Diff line
@@ -152,13 +152,13 @@ void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver) 


#define DGNC_VERIFY_BOARD(p, bd)			\

	if (!p)						\

		return (0);				\

		return 0;				\

							\

	bd = dev_get_drvdata(p);			\

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)	\

		return (0);				\

		return 0;				\

	if (bd->state != BOARD_READY)			\

		return (0);				\

		return 0;				\
@@ -432,18 +432,18 @@ static ssize_t dgnc_tty_state_show(struct device *d, struct device_attribute *at 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%s", un->un_open_count ? "Open" : "Closed");

}
@@ -457,18 +457,18 @@ static ssize_t dgnc_tty_baud_show(struct device *d, struct device_attribute *att 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_old_baud);

}
@@ -482,18 +482,18 @@ static ssize_t dgnc_tty_msignals_show(struct device *d, struct device_attribute 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	if (ch->ch_open_count) {

		return snprintf(buf, PAGE_SIZE, "%s %s %s %s %s %s\n",
@@ -516,18 +516,18 @@ static ssize_t dgnc_tty_iflag_show(struct device *d, struct device_attribute *at 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_iflag);

}
@@ -541,18 +541,18 @@ static ssize_t dgnc_tty_cflag_show(struct device *d, struct device_attribute *at 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_cflag);

}
@@ -566,18 +566,18 @@ static ssize_t dgnc_tty_oflag_show(struct device *d, struct device_attribute *at 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_oflag);

}
@@ -591,18 +591,18 @@ static ssize_t dgnc_tty_lflag_show(struct device *d, struct device_attribute *at 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_lflag);

}
@@ -616,18 +616,18 @@ static ssize_t dgnc_tty_digi_flag_show(struct device *d, struct device_attribute 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_digi.digi_flags);

}
@@ -641,18 +641,18 @@ static ssize_t dgnc_tty_rxcount_show(struct device *d, struct device_attribute * 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_rxcount);

}
@@ -666,18 +666,18 @@ static ssize_t dgnc_tty_txcount_show(struct device *d, struct device_attribute * 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_txcount);

}
@@ -691,18 +691,18 @@ static ssize_t dgnc_tty_name_show(struct device *d, struct device_attribute *att 
	struct un_t *un;



	if (!d)

		return (0);

		return 0;

	un = (struct un_t *) dev_get_drvdata(d);

	if (!un || un->magic != DGNC_UNIT_MAGIC)

		return (0);

		return 0;

	ch = un->un_ch;

	if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)

		return (0);

		return 0;

	bd = ch->ch_bd;

	if (!bd || bd->magic != DGNC_BOARD_MAGIC)

		return (0);

		return 0;

	if (bd->state != BOARD_READY)

		return (0);

		return 0;



	return snprintf(buf, PAGE_SIZE, "%sn%d%c\n",

		(un->un_type == DGNC_PRINT) ? "pr" : "tty",