Commit 2af4b529 authored Feb 05, 2015 by Thomas Graf Committed by David S. Miller Feb 06, 2015

rhashtable: Wait for RCU readers after final unzip work



We need to wait for all RCU readers to complete after the last bit of
unzipping has been completed. Otherwise the old table is freed up
prematurely.

Fixes: 7e1e7763 ("lib: Resizable, Scalable, Concurrent Hash Table")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a5ec68e3

lib/rhashtable.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -392,6 +392,8 @@ int rhashtable_expand(struct rhashtable *ht)
	}		}
	}		}

			synchronize_rcu();

	bucket_table_free(old_tbl);		bucket_table_free(old_tbl);
	return 0;		return 0;
	}		}