prctl: PR_SET_MM -- factor out mmap_sem when updating mm::exe_file

Instead of taking mm->mmap_sem inside prctl_set_mm_exe_file() move it out
and rename the helper to prctl_set_mm_exe_file_locked().  This will allow
to reuse this function in a next patch.

Signed-off-by: Cyrill Gorcunov <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Andrew Vagin <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Acked-by: Serge Hallyn <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Cc: Vasiliy Kulikov <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Julien Tinnes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions