Author: ume
Date: Fri Mar  9 04:45:24 2018
New Revision: 330681
URL: https://svnweb.freebsd.org/changeset/base/330681

Log:
  Fix Bad file descriptor error.
  
  MFC after:    1 week

Modified:
  head/sys/fs/fdescfs/fdesc_vnops.c

Modified: head/sys/fs/fdescfs/fdesc_vnops.c
==============================================================================
--- head/sys/fs/fdescfs/fdesc_vnops.c   Fri Mar  9 02:55:27 2018        
(r330680)
+++ head/sys/fs/fdescfs/fdesc_vnops.c   Fri Mar  9 04:45:24 2018        
(r330681)
@@ -415,6 +415,8 @@ fdesc_pathconf(struct vop_pathconf_args *ap)
                        *ap->a_retval = 1;
                return (0);
        default:
+               if (VTOFDESC(vp)->fd_type == Froot)
+                       return (vop_stdpathconf(ap));
                vref(vp);
                VOP_UNLOCK(vp, 0);
                error = kern_fpathconf(curthread, VTOFDESC(vp)->fd_fd,
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