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

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Reviewed-by: Simon Horman <simon.hor...@corigine.com>
---
v3: renamed to string_is_terminated (Jakub)
v2: added tag and updated subject (Simon)
 net/openvswitch/conntrack.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 2172930b1f17..f95272ebfa08 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -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;
                        }
-- 
2.39.1

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