>Because of that, I the "goto error_release" to be cleaner in the sense that
>there is a single error recovery path and only one place where
>free_storage_on_release flag is checked and common freed.
In that case, in addition to your previous patch, below hunk is needed
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index f4911c0..b1648fc 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2883,15 +2883,16 @@ static void fsg_common_release(struct kref *ref)
/* Beware tempting for -> do-while optimization: when in error
* recovery nluns may be zero. */
+ if(common->luns) {
+ for (; i; --i, ++lun) {
+ device_remove_file(&lun->dev, &dev_attr_ro);
+ device_remove_file(&lun->dev, &dev_attr_file);
+ fsg_lun_close(lun);
+ device_unregister(&lun->dev);
+ }
- for (; i; --i, ++lun) {
- device_remove_file(&lun->dev, &dev_attr_ro);
- device_remove_file(&lun->dev, &dev_attr_file);
- fsg_lun_close(lun);
- device_unregister(&lun->dev);
+ kfree(common->luns);
}
-
- kfree(common->luns);
if (common->free_storage_on_release)
kfree(common);
}
Thanks,
Viral
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