Messages in this thread Patch in this message | | | Date | Sun, 25 Mar 2007 00:55:07 +0900 (JST) | Subject | [PATCH 2/2] [USB] [SERIAL]: fixed to skip NULL port entry in struct usb_serial_port. | From | Noriaki TAKAMIYA <> |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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