utimens.c: work around a probable Linux kernel bug

[gnulib.git] / lib / utimens.c

diff --git a/lib/utimens.c b/lib/utimens.c
index 134310b..d80445c 100644 (file)
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -103,6 +103,18 @@ gl_futimens (int fd ATTRIBUTE_UNUSED,
   if (fd < 0)
     {
       int result = utimensat (AT_FDCWD, file, timespec, 0);
+#ifdef __linux__
+      /* Work around what might be a kernel bug:
+         http://bugzilla.redhat.com/442352
+         http://bugzilla.redhat.com/449910
+         It appears that utimensat can mistakenly return 280 rather
+         than 0 to indicate success.
+         FIXME: remove in 2010 or whenever the offending kernels
+         are no longer in common use.  */
+      if (0 < result)
+        result = 0;
+#endif
+
       if (result == 0 || errno != ENOSYS)
         return result;
     }