open() will never succeed, as we always return -ENODEV. Fix this
obvious bug.
Thanks to Jouni Ryno for reporting it.
Reported-by: Jouni Ryno <Jouni.Ryno@xxxxxx>
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/class/usbtmc.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 0f5c05f..895a098 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -106,12 +106,13 @@ static int usbtmc_open(struct inode *inode, struct file *filp)
{
struct usb_interface *intf;
struct usbtmc_device_data *data;
- int retval = -ENODEV;
+ int retval = 0;
intf = usb_find_interface(&usbtmc_driver, iminor(inode));
if (!intf) {
printk(KERN_ERR KBUILD_MODNAME
": can not find device for minor %d", iminor(inode));
+ retval = -ENODEV;
goto exit;
}
--
1.6.0.2
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