Revert "Fix race condition in concurrent printf and fopen."

newlib/libc/stdio/findfp.c

Index: newlib/libc/stdio/findfp.c
diff --git a/newlib/libc/stdio/findfp.c b/newlib/libc/stdio/findfp.c
index 4a465eb4f4cf4d37c3b606e0fd08c0cf5225eeed..42211afa42aa2029a04cbad0e5e9362eb438dde4 100644
--- a/newlib/libc/stdio/findfp.c
+++ b/newlib/libc/stdio/findfp.c
@@ -115,7 +115,6 @@ _DEFUN(__sfp, (d),
   FILE *fp;
   int n;
   struct _glue *g;
-  int found_fp = 0;
 
   CHECK_INIT(_GLOBAL_REENT, NULL);
 
@@ -124,13 +123,8 @@ _DEFUN(__sfp, (d),
   for (g = &_GLOBAL_REENT->__sglue;; g = g->_next)
     {
       for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
-	{
-	  _flockfile(fp);
-	  found_fp = (fp->_flags == 0);
-	  _funlockfile(fp);
-	  if (found_fp)
-	    goto found;
-	}
+	if (fp->_flags == 0)
+	  goto found;
       if (g->_next == NULL &&
 	  (g->_next = __sfmoreglue (d, NDYNAMIC)) == NULL)
 	break;