X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=ipc%2Fmq_sysctl.c;h=68d4e953762cc8d51b4f7ab4a4c8caa199b3a29a;hb=60ff0ef3a15de99f9d86c43f6a8f94aa3305bf7d;hp=383d638340b8417c8e31f53b935f8e8d833b2707;hpb=91e14b294f3fe4d8b28516b21ceef187ea9b1bdf;p=firefly-linux-kernel-4.4.55.git

diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c
index 383d638340b8..68d4e953762c 100644
--- a/ipc/mq_sysctl.c
+++ b/ipc/mq_sysctl.c
@@ -14,7 +14,7 @@
 #include <linux/sysctl.h>
 
 #ifdef CONFIG_PROC_SYSCTL
-static void *get_mq(ctl_table *table)
+static void *get_mq(struct ctl_table *table)
 {
 	char *which = table->data;
 	struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns;
@@ -22,7 +22,17 @@ static void *get_mq(ctl_table *table)
 	return which;
 }
 
-static int proc_mq_dointvec_minmax(ctl_table *table, int write,
+static int proc_mq_dointvec(struct ctl_table *table, int write,
+			    void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+	struct ctl_table mq_table;
+	memcpy(&mq_table, table, sizeof(mq_table));
+	mq_table.data = get_mq(table);
+
+	return proc_dointvec(&mq_table, write, buffer, lenp, ppos);
+}
+
+static int proc_mq_dointvec_minmax(struct ctl_table *table, int write,
 	void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	struct ctl_table mq_table;
@@ -33,27 +43,23 @@ static int proc_mq_dointvec_minmax(ctl_table *table, int write,
 					lenp, ppos);
 }
 #else
+#define proc_mq_dointvec NULL
 #define proc_mq_dointvec_minmax NULL
 #endif
 
-static int msg_queues_limit_min = MIN_QUEUESMAX;
-static int msg_queues_limit_max = HARD_QUEUESMAX;
-
 static int msg_max_limit_min = MIN_MSGMAX;
 static int msg_max_limit_max = HARD_MSGMAX;
 
 static int msg_maxsize_limit_min = MIN_MSGSIZEMAX;
 static int msg_maxsize_limit_max = HARD_MSGSIZEMAX;
 
-static ctl_table mq_sysctls[] = {
+static struct ctl_table mq_sysctls[] = {
 	{
 		.procname	= "queues_max",
 		.data		= &init_ipc_ns.mq_queues_max,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_mq_dointvec_minmax,
-		.extra1		= &msg_queues_limit_min,
-		.extra2		= &msg_queues_limit_max,
+		.proc_handler	= proc_mq_dointvec,
 	},
 	{
 		.procname	= "msg_max",
@@ -94,7 +100,7 @@ static ctl_table mq_sysctls[] = {
 	{}
 };
 
-static ctl_table mq_sysctl_dir[] = {
+static struct ctl_table mq_sysctl_dir[] = {
 	{
 		.procname	= "mqueue",
 		.mode		= 0555,
@@ -103,7 +109,7 @@ static ctl_table mq_sysctl_dir[] = {
 	{}
 };
 
-static ctl_table mq_sysctl_root[] = {
+static struct ctl_table mq_sysctl_root[] = {
 	{
 		.procname	= "fs",
 		.mode		= 0555,