[gcc r13-15] gcov: Move prepend to list to read_gcda_file()

[gcc r13-15] gcov: Move prepend to list to read_gcda_file()

[Sebastian Huber]

https://gcc.gnu.org/g:76cae6482e0e618d1f8709b3c5d14642378281c7

commit r13-15-g76cae6482e0e618d1f8709b3c5d14642378281c7
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Wed Mar 30 21:54:36 2022 +0200

    gcov: Move prepend to list to read_gcda_file()
    
    This helps to reuse read_gcda_file().
    
    libgcc/
    
            * libgcov-util.c (read_gcda_file): Prepend new info object to global
            list.
            (ftw_read_file): Remove list append here.

Diff:
---
 libgcc/libgcov-util.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/libgcc/libgcov-util.c b/libgcc/libgcov-util.c
index ae5712c0138..906ea645547 100644
--- a/libgcc/libgcov-util.c
+++ b/libgcc/libgcov-util.c
@@ -301,6 +301,9 @@ read_gcda_file (const char *filename)
   num_fn_info = 0;
   curr_fn_info = 0;
 
+  /* Prepend to global gcov info list.  */
+  obj_info->next = gcov_info_head;
+  gcov_info_head = obj_info;
 
   /* Read stamp.  */
   obj_info->stamp = gcov_read_unsigned ();
@@ -392,7 +395,6 @@ ftw_read_file (const char *filename,
 {
   int filename_len;
   int suffix_len;
-  struct gcov_info *obj_info;
 
   /* Only read regular files.  */
   if (type != FTW_F)
@@ -410,12 +412,7 @@ ftw_read_file (const char *filename,
   if (verbose)
     fnotice (stderr, "reading file: %s\n", filename);
 
-  obj_info = read_gcda_file (xstrdup (filename));
-  if (!obj_info)
-    return 0;
-
-  obj_info->next = gcov_info_head;
-  gcov_info_head = obj_info;
+  (void)read_gcda_file (xstrdup (filename));
 
   return 0;
 }