common: Split ieee8021_parse_elems()

As a preparation to parse management frames that include ML elements
with per station profiles, split the function to a helper function that
would not memset() the elements structure.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>

diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index 7741a8df8de9895e534286eaa04580b1809c5b9b..d69e973e61b8ba2ce973cf3831bf9f4ecc069737 100644 (file)
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -408,23 +408,13 @@ static int ieee802_11_parse_extension(const u8 *pos, size_t elen,
 }
 
 
-/**
- * ieee802_11_parse_elems - Parse information elements in management frames
- * @start: Pointer to the start of IEs
- * @len: Length of IE buffer in octets
- * @elems: Data structure for parsed elements
- * @show_errors: Whether to show parsing errors in debug log
- * Returns: Parsing result
- */
-ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
-                               struct ieee802_11_elems *elems,
-                               int show_errors)
+static ParseRes __ieee802_11_parse_elems(const u8 *start, size_t len,
+                                        struct ieee802_11_elems *elems,
+                                        int show_errors)
 {
        const struct element *elem;
        int unknown = 0;
 
-       os_memset(elems, 0, sizeof(*elems));
-
        if (!start)
                return ParseOK;
 
@@ -676,6 +666,24 @@ done:
 }
 
 
+/**
+ * ieee802_11_parse_elems - Parse information elements in management frames
+ * @start: Pointer to the start of IEs
+ * @len: Length of IE buffer in octets
+ * @elems: Data structure for parsed elements
+ * @show_errors: Whether to show parsing errors in debug log
+ * Returns: Parsing result
+ */
+ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
+                               struct ieee802_11_elems *elems,
+                               int show_errors)
+{
+       os_memset(elems, 0, sizeof(*elems));
+
+       return __ieee802_11_parse_elems(start, len, elems, show_errors);
+}
+
+
 int ieee802_11_ie_count(const u8 *ies, size_t ies_len)
 {
        const struct element *elem;