[glibc] gconv_parseconfdir: Fix memory leak

[Siddhesh Poyarekar <siddhesh@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f9b78fe35d08739b6da1e5b356786d41116c108

commit 5f9b78fe35d08739b6da1e5b356786d41116c108
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date:   Tue Aug 3 21:10:20 2021 +0530

    gconv_parseconfdir: Fix memory leak
    
    The allocated `conf` would leak if we have to skip over the file due
    to the underlying filesystem not supporting dt_type.
    
    Reviewed-by: Arjun Shankar <arjun@redhat.com>

Diff:
---
 iconv/gconv_parseconfdir.h | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/iconv/gconv_parseconfdir.h b/iconv/gconv_parseconfdir.h
index a4153e54c6..2f062689ec 100644
--- a/iconv/gconv_parseconfdir.h
+++ b/iconv/gconv_parseconfdir.h
@@ -153,12 +153,11 @@ gconv_parseconfdir (const char *dir, size_t dir_len)
 	      struct stat64 st;
 	      if (asprintf (&conf, "%s/%s", buf, ent->d_name) < 0)
 		continue;
-	      if (ent->d_type == DT_UNKNOWN
-		  && (lstat64 (conf, &st) == -1
-		      || !S_ISREG (st.st_mode)))
-		continue;
 
-	      found |= read_conf_file (conf, dir, dir_len);
+	      if (ent->d_type != DT_UNKNOWN
+		  || (lstat64 (conf, &st) != -1 && S_ISREG (st.st_mode)))
+		found |= read_conf_file (conf, dir, dir_len);
+
 	      free (conf);
 	    }
 	}