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authorJan Safrata <jan.nikitenko@gmail.com>2012-05-22 14:04:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-26 11:34:54 -0800
commit40ebcb89e6c84b5a5aca74d8df26705663a24598 (patch)
treeb40aba8858517fb372e1570948c1449b9eadd2bf
parent328325bf4fe39db557c2ea012a69b764734f27e5 (diff)
usb: use usb_serial_put in usb_serial_probe errors
commit 0658a3366db7e27fa32c12e886230bb58c414c92 upstream. 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@gmail.com> Acked-by: Johan Hovold <jhovold@gmail.com> Cc: Richard Retanubun <richardretanubun@ruggedcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/serial/usb-serial.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 6f81aa59318..637dfa4efb5 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -764,7 +764,7 @@ 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;
}
@@ -836,7 +836,7 @@ 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;
}
@@ -850,7 +850,7 @@ 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;
}