X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Fcore%2Fsysctl_net_core.c;fp=net%2Fcore%2Fsysctl_net_core.c;h=385b6095fdc4b1da8540c879d3a5c450954cb7f7;hb=690c12d2c8ca50e55a3f507059c780ecdb8fd83f;hp=01eee5d984be4b6d838357a56e0211508d0e31ba;hpb=f639011b4020a8230c8d09866f6eaadcb12e8dde;p=mv-sheeva.git

diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 01eee5d984b..385b6095fdc 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -34,7 +34,8 @@ static int rps_sock_flow_sysctl(ctl_table *table, int write,
 
 	mutex_lock(&sock_flow_mutex);
 
-	orig_sock_table = rps_sock_flow_table;
+	orig_sock_table = rcu_dereference_protected(rps_sock_flow_table,
+					lockdep_is_held(&sock_flow_mutex));
 	size = orig_size = orig_sock_table ? orig_sock_table->mask + 1 : 0;
 
 	ret = proc_dointvec(&tmp, write, buffer, lenp, ppos);