aff03409ef
Don't drop the idr lock before verifying that the newly-inserted element is present in the tree. MFC r282741: find_next_bit() and find_next_zero_bit(): if the caller-specified offset lies within the last block of the bit set and no bits are set beyond the offset, terminate the search immediately instead of continuing as though there are further blocks in the set and subsequently returning an incorrect result. MFC r282743: Ensure that msecs_to_jiffies(0) == 0.