staging: dgnc: audit goto's in dgnc_driver

TODO file requests fix up of error handling.

Audit dgnc_driver.c and fix all return paths to be uniform and inline
with kernel coding style.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index 5381dbddd8bbb2121721c818f767d3cb9cafc629..e970d2dbf659331ed434e46bd2204f194ce6079d 100644 (file)
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -98,13 +98,11 @@ static const struct board_id dgnc_ids[] = {
 
 static int dgnc_do_remap(struct dgnc_board *brd)
 {
-       int rc = 0;
-
        brd->re_map_membase = ioremap(brd->membase, 0x1000);
        if (!brd->re_map_membase)
-               rc = -ENOMEM;
+               return -ENOMEM;
 
-       return rc;
+       return 0;
 }
 
 /*
@@ -198,7 +196,6 @@ static struct dgnc_board *dgnc_found_board(struct pci_dev *pdev, int id)
                brd->bd_dividend = 921600;
 
                rc = dgnc_do_remap(brd);
-
                if (rc < 0)
                        goto failed;
 
@@ -283,27 +280,23 @@ static struct dgnc_board *dgnc_found_board(struct pci_dev *pdev, int id)
 
 failed:
        kfree(brd);
-
        return ERR_PTR(rc);
 }
 
 static int dgnc_request_irq(struct dgnc_board *brd)
 {
-       int rc = 0;
-
        if (brd->irq) {
-               rc = request_irq(brd->irq, brd->bd_ops->intr,
+               int rc = request_irq(brd->irq, brd->bd_ops->intr,
                                 IRQF_SHARED, "DGNC", brd);
-
                if (rc) {
                        dev_err(&brd->pdev->dev,
                                "Failed to hook IRQ %d\n", brd->irq);
                        brd->state = BOARD_FAILED;
                        brd->dpastatus = BD_NOFEP;
-                       rc = -ENODEV;
+                       return -ENODEV;
                }
        }
-       return rc;
+       return 0;
 }
 
 static void dgnc_free_irq(struct dgnc_board *brd)
@@ -387,7 +380,6 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        /* wake up and enable device */
        rc = pci_enable_device(pdev);
-
        if (rc)
                return -EIO;
 
@@ -419,17 +411,14 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        brd->dpastatus = BD_RUNNING;
 
        dgnc_board[dgnc_num_boards++] = brd;
-
        return 0;
 
 free_irq:
        dgnc_free_irq(brd);
 unregister_tty:
        dgnc_tty_unregister(brd);
-
 failed:
        kfree(brd);
-
        return rc;
 }
 
@@ -488,7 +477,6 @@ static int dgnc_start(void)
        spin_unlock_irqrestore(&dgnc_poll_lock, flags);
 
        add_timer(&dgnc_poll_timer);
-
        return 0;
 
 failed_device:
@@ -597,7 +585,6 @@ static int __init dgnc_init_module(void)
        /* Initialize global stuff */
 
        rc = dgnc_start();
-
        if (rc < 0)
                return rc;