diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 5df92735b88217f3766e2629e2245f082f7ecce8..efc7bf912b193b07cdd3cc854e55da2b4635be04 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1283,9 +1283,12 @@ static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp,
 	if (write) {
 		if (*lvalp > INT_MAX / HZ)
 			return 1;
-		*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
+		if (*negp)
+			WRITE_ONCE(*valp, -*lvalp * HZ);
+		else
+			WRITE_ONCE(*valp, *lvalp * HZ);
 	} else {
-		int val = *valp;
+		int val = READ_ONCE(*valp);
 		unsigned long lval;
 		if (val < 0) {
 			*negp = true;