diff options
| author | Johan Hovold <johan@kernel.org> | 2015-12-29 13:36:12 +0100 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2015-12-29 13:43:14 +0100 |
| commit | e69f7a6724182e3f3a4f3d73e74c08dd8f657a9d (patch) | |
| tree | 8398a7be960fe7d085a07edf1f58fe5396989e90 /drivers/usb/serial | |
| parent | 924eccc73db2f64a24865d21ff11be8043b24375 (diff) | |
| download | linux-e69f7a6724182e3f3a4f3d73e74c08dd8f657a9d.tar.bz2 | |
USB: mxu11x0: fix memory leak on firmware download
Make sure to release the private data before returning -ENODEV after
having downloaded the firmware during first probe.
Clean up the error paths while at it.
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/mxu11x0.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/usb/serial/mxu11x0.c b/drivers/usb/serial/mxu11x0.c index 89426c3eba98..c6c4776997fc 100644 --- a/drivers/usb/serial/mxu11x0.c +++ b/drivers/usb/serial/mxu11x0.c @@ -377,7 +377,6 @@ static int mxu1_startup(struct usb_serial *serial) char fw_name[32]; const struct firmware *fw_p = NULL; int err; - int status = 0; dev_dbg(&serial->interface->dev, "%s - product 0x%04X, num configurations %d, configuration value %d\n", __func__, le16_to_cpu(dev->descriptor.idProduct), @@ -407,22 +406,26 @@ static int mxu1_startup(struct usb_serial *serial) if (err) { dev_err(&serial->interface->dev, "failed to request firmware: %d\n", err); - kfree(mxdev); - return err; + goto err_free_mxdev; } err = mxu1_download_firmware(serial, fw_p); - if (err) { - release_firmware(fw_p); - kfree(mxdev); - return err; - } + if (err) + goto err_release_firmware; - status = -ENODEV; - release_firmware(fw_p); + /* device is being reset */ + err = -ENODEV; + goto err_release_firmware; } - return status; + return 0; + +err_release_firmware: + release_firmware(fw_p); +err_free_mxdev: + kfree(mxdev); + + return err; } static int mxu1_write_byte(struct usb_serial_port *port, u32 addr, |