[PATCH net-next v2 1/3] string_helpers: Move string_is_valid() to the header

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

Move string_is_valid() to the header for wider use.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
---
v2: added tag and updated subject (Simon)
 include/linux/string_helpers.h | 5 +++++
 net/tipc/netlink_compat.c      | 6 +-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 88fb8e1d0421..01c9a432865a 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -12,6 +12,11 @@ struct device;
 struct file;
 struct task_struct;
 
+static inline bool string_is_valid(const char *s, int len)
+{
+	return memchr(s, '\0', len) ? true : false;
+}
+
 /* Descriptions of the types of units to
  * print in */
 enum string_size_units {
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index dfea27a906f2..75186cd551a0 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -39,6 +39,7 @@
 #include "node.h"
 #include "net.h"
 #include <net/genetlink.h>
+#include <linux/string_helpers.h>
 #include <linux/tipc_config.h>
 
 /* The legacy API had an artificial message length limit called
@@ -173,11 +174,6 @@ static struct sk_buff *tipc_get_err_tlv(char *str)
 	return buf;
 }
 
-static inline bool string_is_valid(char *s, int len)
-{
-	return memchr(s, '\0', len) ? true : false;
-}
-
 static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
 				   struct tipc_nl_compat_msg *msg,
 				   struct sk_buff *arg)
-- 
2.39.1