proc: snmp6: Use correct type in memset

[ Upstream commit 3500cd73dff48f28f4ba80c171c4c80034d40f76 ] Reading /proc/net/snmp6 yields bogus values on 32 bit kernels. Use "u64" instead of "unsigned long" in sizeof(). Fixes: 4a4857b ("proc: Reduce cache miss in snmp6_seq_show") Signed-off-by: Christian Perle <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
intel · Jul 5, 2017 · 0596867 · 0596867
1 parent 78b24ab
commit 0596867
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
@@ -219,7 +219,7 @@ static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu *mib,
 	u64 buff64[SNMP_MIB_MAX];
 	int i;
 
-	memset(buff64, 0, sizeof(unsigned long) * SNMP_MIB_MAX);
+	memset(buff64, 0, sizeof(u64) * SNMP_MIB_MAX);
 
 	snmp_get_cpu_field64_batch(buff64, itemlist, mib, syncpoff);
 	for (i = 0; itemlist[i].name; i++)