net: fix tiny output corruption of /proc/net/snmp6
Because "name" is static, it can be occasionally be filled with
somewhat garbage if two processes read /proc/net/snmp6.
Also, remove useless casts and "-1" -- snprintf() correctly terminates it's
output.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 07f0b76..97c17fd 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -132,7 +132,7 @@
static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
{
- static char name[32];
+ char name[32];
int i;
/* print by name -- deprecated items */
@@ -144,7 +144,7 @@
p = icmp6type2name[icmptype];
if (!p) /* don't print un-named types here */
continue;
- (void) snprintf(name, sizeof(name)-1, "Icmp6%s%s",
+ snprintf(name, sizeof(name), "Icmp6%s%s",
i & 0x100 ? "Out" : "In", p);
seq_printf(seq, "%-32s\t%lu\n", name,
snmp_fold_field(mib, i));
@@ -157,7 +157,7 @@
val = snmp_fold_field(mib, i);
if (!val)
continue;
- (void) snprintf(name, sizeof(name)-1, "Icmp6%sType%u",
+ snprintf(name, sizeof(name), "Icmp6%sType%u",
i & 0x100 ? "Out" : "In", i & 0xff);
seq_printf(seq, "%-32s\t%lu\n", name, val);
}
