tree e7d27b987e0670099af28db0d6bfcdac33236046
parent 78f32a9b479e9b9f1ce2bf620a7602c1cdbc4c8e
author Al Viro <viro@zeniv.linux.org.uk> 1308502187 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1311140590 -0400

consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling

new helper: would_dump(bprm, file).  Checks if we are allowed to
read the file and if we are not - sets ENFORCE_NODUMP.  Exported,
used in places that previously open-coded the same logics.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>