On Sun, Jan 25, 2015 at 10:57:40PM +0100, Richard Weinberger wrote: > Hunting down a refcount issue in an out-of-tree filesystem uncovered > that its lookup function directly returned the dentry which was passed to it. > Add a BUG_ON() to detect such misuse in future. In principle, it's not a bug. You *must* grab a reference to dentry before returning it, but you can very well decide to return the one you've got - any place where have ->lookup() return NULL has every right to become return dget(dentry). -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
