misc: Use __ferror_unlocked instead of ferror

The ferror results in an unnecessary PLT reference.  Use
__ferror_unlocked instead , which gets inlined.

diff --git a/misc/mntent_r.c b/misc/mntent_r.c
index 39fa08f2c61cf57334c3602e0104509a519d7f96..b963c9af61fcc16bd0841c8caba537279602a6dc 100644 (file)
--- a/misc/mntent_r.c
+++ b/misc/mntent_r.c
@@ -253,7 +253,7 @@ __addmntent (FILE *stream, const struct mntent *mnt)
   write_string (stream, mnt->mnt_opts);
   fprintf (stream, "%d %d\n", mnt->mnt_freq, mnt->mnt_passno);
 
-  ret = ferror (stream) != 0 || fflush (stream) != 0;
+  ret = __ferror_unlocked (stream) != 0 || fflush (stream) != 0;
 
   funlockfile (stream);