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authorJan Safrata <jan.nikitenko@gmail.com>2012-05-22 14:04:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-14 02:26:11 +0200
commit0658a3366db7e27fa32c12e886230bb58c414c92 (patch)
treecadf90cab3dd5b508d0d48682f835fc87d938450 /drivers
parentUSB: EHCI: Fix build warning in xilinx ehci driver (diff)
downloadlinux-0658a3366db7e27fa32c12e886230bb58c414c92.tar.xz
linux-0658a3366db7e27fa32c12e886230bb58c414c92.zip
usb: use usb_serial_put in usb_serial_probe errors
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-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 6e8c527e07c9..27483f91a4a3 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -757,7 +757,7 @@ static 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;
}
@@ -829,7 +829,7 @@ static 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;
}
@@ -843,7 +843,7 @@ static 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;
}