net: avoid limits overflow

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / ipv4 / sysctl_net_ipv4.c

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index d96c1da..e91911d 100644 (file)
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -398,7 +398,7 @@ static struct ctl_table ipv4_table[] = {
                .data           = &sysctl_tcp_mem,
                .maxlen         = sizeof(sysctl_tcp_mem),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec
+               .proc_handler   = proc_doulongvec_minmax
        },
        {
                .procname       = "tcp_wmem",
@@ -602,8 +602,7 @@ static struct ctl_table ipv4_table[] = {
                .data           = &sysctl_udp_mem,
                .maxlen         = sizeof(sysctl_udp_mem),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec_minmax,
-               .extra1         = &zero
+               .proc_handler   = proc_doulongvec_minmax,
        },
        {
                .procname       = "udp_rmem_min",