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Diffstat (limited to 'sysdeps/unix/sysv/linux/unlinkat.c')
-rw-r--r--sysdeps/unix/sysv/linux/unlinkat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/unlinkat.c b/sysdeps/unix/sysv/linux/unlinkat.c
index 0a07a8a875..bb5f89810b 100644
--- a/sysdeps/unix/sysv/linux/unlinkat.c
+++ b/sysdeps/unix/sysv/linux/unlinkat.c
@@ -1,5 +1,5 @@
 /* unlinkat -- Remove a link by relative name.
-   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -64,6 +64,12 @@ unlinkat (fd, file, flag)
   if (fd != AT_FDCWD && file[0] != '/')
     {
       size_t filelen = strlen (file);
+      if (__builtin_expect (filelen == 0, 0))
+	{
+	  __set_errno (ENOENT);
+	  return -1;
+	}
+
       static const char procfd[] = "/proc/self/fd/%d/%s";
       /* Buffer for the path name we are going to use.  It consists of
 	 - the string /proc/self/fd/