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Subject[PATCH 2/2] [USB] [SERIAL]: fixed to skip NULL port entry in struct usb_serial_port.
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Hi,

This patch fixes to skip serial->port[i] if it is set NULL.
---
include/linux/usb/serial.h | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 32acbae..85ed5ef 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -99,7 +99,10 @@ struct usb_serial_port {
/* get and set the port private data pointer helper functions */
static inline void *usb_get_serial_port_data (struct usb_serial_port *port)
{
- return dev_get_drvdata(&port->dev);
+ if (port)
+ return dev_get_drvdata(&port->dev);
+ else
+ return NULL;
}

static inline void usb_set_serial_port_data (struct usb_serial_port *port, void *data)
--
1.4.4
--
Noriaki TAKAMIYA
-
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