[PATCH 03/12] elf: split _dl_check_loaded() from _dl_map_object

[Stas Sergeev <stsp2@yandex.ru>]

This is a purely mechanical split of a reusable code part.
No functional changes.

The test-suite was run on x86_64/64 and showed no regressions.

Signed-off-by: Stas Sergeev <stsp2@yandex.ru>
---
 elf/dl-load.c | 39 +++++++++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/elf/dl-load.c b/elf/dl-load.c
index 7a939cb8c1..e05a2a41de 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1988,23 +1988,11 @@ open_path (const char *name, size_t namelen, int mode,
   return -1;
 }
 
-/* Map in the shared object file NAME.  */
-
-struct link_map *
-_dl_map_object (struct link_map *loader, const char *name,
-		int type, int trace_mode, int mode, Lmid_t nsid)
+static struct link_map *
+_dl_check_loaded(const char *name, Lmid_t nsid)
 {
-  int fd;
-  const char *origname = NULL;
-  char *realname;
-  char *name_copy;
   struct link_map *l;
-  struct filebuf fb;
-
-  assert (nsid >= 0);
-  assert (nsid < GL(dl_nns));
 
-  /* Look for this name among those already loaded.  */
   for (l = GL(dl_ns)[nsid]._ns_loaded; l; l = l->l_next)
     {
       /* If the requested name matches the soname of a loaded object,
@@ -2033,6 +2021,29 @@ _dl_map_object (struct link_map *loader, const char *name,
       /* We have a match.  */
       return l;
     }
+  return NULL;
+}
+
+/* Map in the shared object file NAME.  */
+
+struct link_map *
+_dl_map_object (struct link_map *loader, const char *name,
+		int type, int trace_mode, int mode, Lmid_t nsid)
+{
+  int fd;
+  const char *origname = NULL;
+  char *realname;
+  char *name_copy;
+  struct link_map *l;
+  struct filebuf fb;
+
+  assert (nsid >= 0);
+  assert (nsid < GL(dl_nns));
+
+  /* Look for this name among those already loaded.  */
+  l = _dl_check_loaded (name, nsid);
+  if (l)
+    return l;
 
   /* Display information if we are debugging.  */
   if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_FILES)
-- 
2.37.2