Commit 2af4b529 authored by Thomas Graf's avatar Thomas Graf Committed by David S. Miller
Browse files

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: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a5ec68e3

lib/rhashtable.c

+2 −0
Original line number Diff line number Diff line
@@ -392,6 +392,8 @@ int rhashtable_expand(struct rhashtable *ht) 
		}

	}



	synchronize_rcu();



	bucket_table_free(old_tbl);

	return 0;

}