[IRDA]: irda-usb, unregister netdev when patch upload fails
In the STIR421x case, when the firmware upload fails, we need to unregister_netdev. Otherwise we hit a BUG on free_netdev(), if sysfs is enabled. Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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4909e488f6
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269690ac16
1 changed files with 4 additions and 2 deletions
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@ -1815,14 +1815,14 @@ static int irda_usb_probe(struct usb_interface *intf,
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self->needspatch = (ret < 0);
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self->needspatch = (ret < 0);
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if (ret < 0) {
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if (ret < 0) {
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printk("patch_device failed\n");
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printk("patch_device failed\n");
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goto err_out_4;
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goto err_out_5;
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}
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}
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/* replace IrDA class descriptor with what patched device is now reporting */
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/* replace IrDA class descriptor with what patched device is now reporting */
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irda_desc = irda_usb_find_class_desc (self->usbintf);
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irda_desc = irda_usb_find_class_desc (self->usbintf);
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if (irda_desc == NULL) {
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if (irda_desc == NULL) {
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ret = -ENODEV;
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ret = -ENODEV;
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goto err_out_4;
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goto err_out_5;
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}
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}
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if (self->irda_desc)
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if (self->irda_desc)
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kfree (self->irda_desc);
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kfree (self->irda_desc);
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@ -1832,6 +1832,8 @@ static int irda_usb_probe(struct usb_interface *intf,
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return 0;
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return 0;
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err_out_5:
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unregister_netdev(self->netdev);
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err_out_4:
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err_out_4:
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kfree(self->speed_buff);
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kfree(self->speed_buff);
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err_out_3:
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err_out_3:
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