We recently added locking here and there was an error path which is
missing an unlock.

Signed-off-by: Dan Carpenter <[email protected]>

diff --git a/drivers/staging/gdm72xx/gdm_usb.c 
b/drivers/staging/gdm72xx/gdm_usb.c
index e434764..e0cb2ff 100644
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -205,6 +205,7 @@ static int init_usb(struct usbwm_dev *udev)
        for (i = 0; i < MAX_NR_SDU_BUF; i++) {
                t = alloc_tx_struct(tx);
                if (t == NULL) {
+                       spin_unlock_irqrestore(&tx->lock, flags);
                        ret = -ENOMEM;
                        goto fail;
                }
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