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path: root/drivers/usb/serial/io_ti.c
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Diffstat (limited to 'drivers/usb/serial/io_ti.c')
-rw-r--r--drivers/usb/serial/io_ti.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index fbc2e024c33..1c6850a074d 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1719,13 +1719,14 @@ static void edge_interrupt_callback (struct urb *urb)
1719 int length = urb->actual_length; 1719 int length = urb->actual_length;
1720 int port_number; 1720 int port_number;
1721 int function; 1721 int function;
1722 int status; 1722 int retval;
1723 __u8 lsr; 1723 __u8 lsr;
1724 __u8 msr; 1724 __u8 msr;
1725 int status = urb->status;
1725 1726
1726 dbg("%s", __FUNCTION__); 1727 dbg("%s", __FUNCTION__);
1727 1728
1728 switch (urb->status) { 1729 switch (status) {
1729 case 0: 1730 case 0:
1730 /* success */ 1731 /* success */
1731 break; 1732 break;
@@ -1733,10 +1734,12 @@ static void edge_interrupt_callback (struct urb *urb)
1733 case -ENOENT: 1734 case -ENOENT:
1734 case -ESHUTDOWN: 1735 case -ESHUTDOWN:
1735 /* this urb is terminated, clean up */ 1736 /* this urb is terminated, clean up */
1736 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 1737 dbg("%s - urb shutting down with status: %d",
1738 __FUNCTION__, status);
1737 return; 1739 return;
1738 default: 1740 default:
1739 dev_err(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __FUNCTION__, urb->status); 1741 dev_err(&urb->dev->dev, "%s - nonzero urb status received: "
1742 "%d\n", __FUNCTION__, status);
1740 goto exit; 1743 goto exit;
1741 } 1744 }
1742 1745
@@ -1794,10 +1797,10 @@ static void edge_interrupt_callback (struct urb *urb)
1794 } 1797 }
1795 1798
1796exit: 1799exit:
1797 status = usb_submit_urb (urb, GFP_ATOMIC); 1800 retval = usb_submit_urb (urb, GFP_ATOMIC);
1798 if (status) 1801 if (retval)
1799 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", 1802 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n",
1800 __FUNCTION__, status); 1803 __FUNCTION__, retval);
1801} 1804}
1802 1805
1803static void edge_bulk_in_callback (struct urb *urb) 1806static void edge_bulk_in_callback (struct urb *urb)
@@ -1805,12 +1808,13 @@ static void edge_bulk_in_callback (struct urb *urb)
1805 struct edgeport_port *edge_port = (struct edgeport_port *)urb->context; 1808 struct edgeport_port *edge_port = (struct edgeport_port *)urb->context;
1806 unsigned char *data = urb->transfer_buffer; 1809 unsigned char *data = urb->transfer_buffer;
1807 struct tty_struct *tty; 1810 struct tty_struct *tty;
1808 int status = 0; 1811 int retval = 0;
1809 int port_number; 1812 int port_number;
1813 int status = urb->status;
1810 1814
1811 dbg("%s", __FUNCTION__); 1815 dbg("%s", __FUNCTION__);
1812 1816
1813 switch (urb->status) { 1817 switch (status) {
1814 case 0: 1818 case 0:
1815 /* success */ 1819 /* success */
1816 break; 1820 break;
@@ -1818,17 +1822,18 @@ static void edge_bulk_in_callback (struct urb *urb)
1818 case -ENOENT: 1822 case -ENOENT:
1819 case -ESHUTDOWN: 1823 case -ESHUTDOWN:
1820 /* this urb is terminated, clean up */ 1824 /* this urb is terminated, clean up */
1821 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 1825 dbg("%s - urb shutting down with status: %d",
1826 __FUNCTION__, status);
1822 return; 1827 return;
1823 default: 1828 default:
1824 dev_err (&urb->dev->dev,"%s - nonzero read bulk status received: %d\n", 1829 dev_err (&urb->dev->dev,"%s - nonzero read bulk status received: %d\n",
1825 __FUNCTION__, urb->status ); 1830 __FUNCTION__, status);
1826 } 1831 }
1827 1832
1828 if (urb->status == -EPIPE) 1833 if (status == -EPIPE)
1829 goto exit; 1834 goto exit;
1830 1835
1831 if (urb->status) { 1836 if (status) {
1832 dev_err(&urb->dev->dev,"%s - stopping read!\n", __FUNCTION__); 1837 dev_err(&urb->dev->dev,"%s - stopping read!\n", __FUNCTION__);
1833 return; 1838 return;
1834 } 1839 }
@@ -1862,14 +1867,14 @@ exit:
1862 spin_lock(&edge_port->ep_lock); 1867 spin_lock(&edge_port->ep_lock);
1863 if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) { 1868 if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) {
1864 urb->dev = edge_port->port->serial->dev; 1869 urb->dev = edge_port->port->serial->dev;
1865 status = usb_submit_urb(urb, GFP_ATOMIC); 1870 retval = usb_submit_urb(urb, GFP_ATOMIC);
1866 } else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) { 1871 } else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) {
1867 edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED; 1872 edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED;
1868 } 1873 }
1869 spin_unlock(&edge_port->ep_lock); 1874 spin_unlock(&edge_port->ep_lock);
1870 if (status) 1875 if (retval)
1871 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", 1876 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n",
1872 __FUNCTION__, status); 1877 __FUNCTION__, retval);
1873} 1878}
1874 1879
1875static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length) 1880static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length)
@@ -1896,12 +1901,13 @@ static void edge_bulk_out_callback (struct urb *urb)
1896{ 1901{
1897 struct usb_serial_port *port = (struct usb_serial_port *)urb->context; 1902 struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
1898 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 1903 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1904 int status = urb->status;
1899 1905
1900 dbg ("%s - port %d", __FUNCTION__, port->number); 1906 dbg ("%s - port %d", __FUNCTION__, port->number);
1901 1907
1902 edge_port->ep_write_urb_in_use = 0; 1908 edge_port->ep_write_urb_in_use = 0;
1903 1909
1904 switch (urb->status) { 1910 switch (status) {
1905 case 0: 1911 case 0:
1906 /* success */ 1912 /* success */
1907 break; 1913 break;
@@ -1909,11 +1915,12 @@ static void edge_bulk_out_callback (struct urb *urb)
1909 case -ENOENT: 1915 case -ENOENT:
1910 case -ESHUTDOWN: 1916 case -ESHUTDOWN:
1911 /* this urb is terminated, clean up */ 1917 /* this urb is terminated, clean up */
1912 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 1918 dbg("%s - urb shutting down with status: %d",
1919 __FUNCTION__, status);
1913 return; 1920 return;
1914 default: 1921 default:
1915 dev_err (&urb->dev->dev,"%s - nonzero write bulk status received: %d\n", 1922 dev_err(&urb->dev->dev, "%s - nonzero write bulk status "
1916 __FUNCTION__, urb->status); 1923 "received: %d\n", __FUNCTION__, status);
1917 } 1924 }
1918 1925
1919 /* send any buffered data */ 1926 /* send any buffered data */