openvswitch: Use string_is_terminated() helper

Use string_is_terminated() helper instead of cpecific memchr() call.
This shows better the intention of the call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230208133153.22528-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-02-08 15:31:53 +02:00 committed by Jakub Kicinski
parent d4545bf9c3
commit 5c72b4c644

View file

@ -9,6 +9,7 @@
#include <linux/udp.h>
#include <linux/sctp.h>
#include <linux/static_key.h>
#include <linux/string_helpers.h>
#include <net/ip.h>
#include <net/genetlink.h>
#include <net/netfilter/nf_conntrack_core.h>
@ -1383,7 +1384,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info,
#endif
case OVS_CT_ATTR_HELPER:
*helper = nla_data(a);
if (!memchr(*helper, '\0', nla_len(a))) {
if (!string_is_terminated(*helper, nla_len(a))) {
OVS_NLERR(log, "Invalid conntrack helper");
return -EINVAL;
}
@ -1404,7 +1405,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info,
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
case OVS_CT_ATTR_TIMEOUT:
memcpy(info->timeout, nla_data(a), nla_len(a));
if (!memchr(info->timeout, '\0', nla_len(a))) {
if (!string_is_terminated(info->timeout, nla_len(a))) {
OVS_NLERR(log, "Invalid conntrack timeout");
return -EINVAL;
}