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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-27 14:40:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-27 14:40:30 -0700
commit1f9bd4c96a8e918a86e083706e0d3eb7f030b9a3 (patch)
treea840b35ca8c193cb0ec5579de3fac4e4e7f47f11 /drivers/usb/serial/ftdi_sio.c
parent00463c1633b6d6a2178d2dc794c0a70ac2f9ce6b (diff)
parent7f38aa0f04259d37f26e1e906607f1ebb39c0c5c (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (129 commits) [PATCH] USB Storage: fix Rio Karma eject support build error USB: Airprime driver improvements to allow full speed EvDO transfers USB: remove OTG build warning USB: EHCI update VIA workaround USB: force root hub resume after power loss USB: ohci_usb can oops on shutdown USB: Dealias -110 code (more complete) USB: Remove unneeded void * casts in core files USB: u132-hcd: host controller driver for ELAN U132 adapter USB: ftdi-elan: client driver for ELAN Uxxx adapters usb serial: support Alcor Micro Corp. USB 2.0 TO RS-232 through pl2303 driver USB: Moschip 7840 USB-Serial Driver USB: add PlayStation 2 Trance Vibrator driver USB: Add ADU support for Ontrak ADU devices aircable: fix printk format warnings Add AIRcable USB Bluetooth Dongle Driver cypress_m8: implement graceful failure handling cypress_m8: improve control endpoint error handling cypress_m8: use usb_fill_int_urb where appropriate cypress_m8: use appropriate URB polling interval ...
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c6115aa1b445..1f7b72553f37 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1101,25 +1101,29 @@ static ssize_t store_event_char(struct device *dev, struct device_attribute *att
static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, store_latency_timer);
static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
-static void create_sysfs_attrs(struct usb_serial *serial)
-{
+static int create_sysfs_attrs(struct usb_serial *serial)
+{
struct ftdi_private *priv;
struct usb_device *udev;
+ int retval = 0;
dbg("%s",__FUNCTION__);
-
+
priv = usb_get_serial_port_data(serial->port[0]);
udev = serial->dev;
-
+
/* XXX I've no idea if the original SIO supports the event_char
* sysfs parameter, so I'm playing it safe. */
if (priv->chip_type != SIO) {
dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
- device_create_file(&udev->dev, &dev_attr_event_char);
- if (priv->chip_type == FT232BM || priv->chip_type == FT2232C) {
- device_create_file(&udev->dev, &dev_attr_latency_timer);
+ retval = device_create_file(&udev->dev, &dev_attr_event_char);
+ if ((!retval) &&
+ (priv->chip_type == FT232BM || priv->chip_type == FT2232C)) {
+ retval = device_create_file(&udev->dev,
+ &dev_attr_latency_timer);
}
}
+ return retval;
}
static void remove_sysfs_attrs(struct usb_serial *serial)
@@ -1162,7 +1166,8 @@ static int ftdi_sio_attach (struct usb_serial *serial)
struct usb_serial_port *port = serial->port[0];
struct ftdi_private *priv;
struct ftdi_sio_quirk *quirk;
-
+ int retval;
+
dbg("%s",__FUNCTION__);
priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
@@ -1203,15 +1208,18 @@ static int ftdi_sio_attach (struct usb_serial *serial)
usb_set_serial_port_data(serial->port[0], priv);
ftdi_determine_type (serial->port[0]);
- create_sysfs_attrs(serial);
+ retval = create_sysfs_attrs(serial);
+ if (retval)
+ dev_err(&serial->dev->dev, "Error creating sysfs files, "
+ "continuing\n");
/* Check for device requiring special set up. */
quirk = (struct ftdi_sio_quirk *)usb_get_serial_data(serial);
if (quirk && quirk->setup) {
quirk->setup(serial);
}
-
- return (0);
+
+ return 0;
} /* ftdi_sio_attach */