The use of kfree(serial) in error cases of usb_serial_probe
was invalid - usb_serial structure allocated in create_serial()
gets reference of usb_device that needs to be put, so we need
to use usb_serial_put() instead of simple kfree().
Signed-off-by: Jan Safrata <jan.nikitenko@xxxxxxxxx>
---
drivers/usb/serial/usb-serial.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 584f23c..391c30e 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -770,7 +770,7 @@ int usb_serial_probe(struct usb_interface *interface,
if (retval) {
dbg("sub driver rejected device");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return retval;
}
@@ -842,7 +842,7 @@ int usb_serial_probe(struct usb_interface *interface,
*/
if (num_bulk_in == 0 || num_bulk_out == 0) {
dev_info(&interface->dev, "PL-2303 hack: descriptors matched but endpoints did not\n");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return -ENODEV;
}
@@ -856,7 +856,7 @@ int usb_serial_probe(struct usb_interface *interface,
if (num_ports == 0) {
dev_err(&interface->dev,
"Generic device with no bulk out, not allowed.\n");
- kfree(serial);
+ usb_serial_put(serial);
module_put(type->driver.owner);
return -EIO;
}
--
1.7.8.4
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